Taijuan Walker came back strong in 2020. Coming off two seasons lost to Tommy John surgery, the 28-year-old right-hander put up a 2.70 ERA over 51-and-a-third innings. Six of his 11 starts came with the Toronto Blue Jays, who acquired Walker from the Seattle Mariners at the tail end of August in exchange for Alberto Rodriguez.

A return to health wasn’t the only thing that buoyed Walker’s rebound. Like many modern-day hurlers, the 43rd-overall pick in the 2010 draft has become an adherent of analytics and data-driven pitch-design. Currently a free agent, Walker is looking to move forward with a team that embraces those very things.

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David Laurila: What is your background with analytics and pitch design?

Taijuan Walker: “I went to Driveline about a week after the 2019 season ended. I spent a few days there and got assessed — all of the numbers, threw a bullpen — and it was nice to see where I was at with my fastball spin rate, and more. We talked about the numbers, and how to use those numbers to know what I’m looking for.

“That was part of the reason I signed with the Mariners [in February]; they had a lot of that same technology. Woody [Pete Woodworth], the pitching coach there, is smart, and really good.”

Laurila: I assume you’d been exposed to analytics previously?

Walker: “Yes, but I had a chance to really learn the numbers, whereas before it was more like, ‘Hey, these are your numbers,’ but never really having them explained to me. It was never, ‘This is what they mean, and this is how to make [a pitch] better.’”

Laurila: How are you going about making information actionable? Read the rest of this entry »

Clarke Schmidt is more than a talented, 24-year-old right-hander who made his major league debut with the New York Yankees in 2020. He’s also a bona fide pitching nerd. Selected 18th overall in the 2017 draft out of the University of South Carolina, Schmidt leans heavily on analytics as he strives to further develop an already formidable four-pitch arsenal.

His top two offerings — per Eric Longenhagen, “a power-sweeping, mid-80s breaking ball” and a two-seamer with “nasty tailing action” — have each been honed with the help of data. A third pitch, his four-seamer, is currently on that same path, while his changeup has likewise been undergoing nuanced tweaks. Big-league hitters have barely gotten a glimpse of Schmidt’s smart weaponry — last year’s cup of coffee comprised just six-and-a-third innings — but they can expect to see a lot more of him in the future. Clarke heads into the 2021 season as a strong candidate to capture a spot in New York’s starting rotation.

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David Laurila: You have a plus breaking ball. What is the story behind it?

Clarke Schmidt: “In college, I was a slider and curveball guy — mainly a slider guy — and my sophomore year, I think I led the SEC in strikeouts. I had [129] strikeouts, and if I had to guess, I got 90 of them on sliders. That was like my go-to pitch. It wasn’t very hard, but it was hard for hitters to see the spin. It was an interesting-spinning slider, and it had a good movement profile, but it wasn’t a sharp-breaking slider.”

Laurila: What made the spin interesting?

Schmidt: “It was very depth-y. Normally, when you see sliders from guys who throw mid-90s [fastballs], it’s like a Gerrit Cole slider, or more of a sharpness with it staying on the plate longer. Mine was more of a sweepy slider, kind of like Chris Sale has. It was a low-80s slider. Read the rest of this entry »

Mickey Tettleton was largely underrated throughout a career that spanned from 1984 to ’97. A switch-hitting catcher who blossomed after finally getting an opportunity to play full time at age 28 — this after being released by the Oakland A’s — he quietly excelled thanks to plus power and a keen eye. Playing with the Baltimore Orioles, Detroit Tigers, and Texas Rangers, Tettleton had baseball’s third-highest walk rate (18.2%) from 1989 to ’95, a seven-year stretch where he slashed .245/.384/.474 with 185 home runs and a 133 wRC+.

There are those who took notice. In The New Bill James Historical Baseball Abstract, published in 2001, Tettleton is ranked as the 37th-best catcher of all-time. A low batting average and high strikeout numbers may have sullied his reputation with casual fans, but those who truly understand the game know better. Tettleton — a proud son of Oklahoma — provided a lot of value to his teams.

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David Laurila: You’re from Oklahoma. Were you a big baseball fan growing up?

Mickey Tettleton: “I was. Of course, it was different back then. The one game a week was on Saturday, and you were glued to your TV to watch it. I was a huge sports fan in general — I played football and basketball growing up — and was always a big-time baseball fan.”

Laurila: Did you follow a specific team?

Tettleton: “Cincinnati was obviously very big, and their main rival was the Dodgers, who had Bill Russell at shortstop. He’s from Oklahoma. But with the Johnny Bench connection, Cincinnati was really big around here.”

Laurila: I’ve read that you were named after Mickey Mantle. Read the rest of this entry »

Eric Jagers is on the fast track in the pitching world. Little more than seven years after discovering Driveline during his freshman year of college, the 25-year-old Iowa native is now the assistant pitching coach for the Reds. Promoted to the position last month — he replaced Caleb Cotham, who is now the Phillies’ new pitching coach— Jagers spent last season as the club’s assistant pitching coordinator. Previously Driveline’s Manager of Technical Development, he remains with the Seattle-area training facility in an advisory role.

Jagers touched on a handful of pitching-related topics, and a pair of Cincinnati hurlers, earlier this week.

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David Laurila: What do many people not really understand about the technological aspects of pitching development?

Eric Jagers: “That’s a good question. With all the pitch-tracking technology — and there are a lot of people who do understand this — it’s all the pieces together, as opposed to the segmented ways we tend to look at things: a pitch has got this movement, and it’s also got this location. But really, those things morph together. The location piece adds to the movement piece. A fastball with a lot of hop that’s also up in the zone is maximized. Same with a sinker that’s at the bottom of the zone. Conversely, with a sinker at the top — when we’re looking at short-form movement — it’s easy for the data to fool you into thinking it’s something it’s not.

“I think a lot of people are pretty comfortable viewing movement on TrackMan, Rapsodo, and now Hawk-Eye. But those are just giving us a piece of the equation. We need to factor in all the variables.”

Laurila: Can you elaborate on what you mean by data fooling you into thinking it’s something it’s not?

Jagers: “It’s easy to come up with an answer, and the easiest person to fool is yourself. It’s like the Richard Feynman quote. Basically, it makes it really easy for us to tell us the story that we want to tell, and we don’t have a full understanding — at least on surface-level stats — of what a complete pitch is. Going back to location and movement, in order to get a true vertical-break number, it’s not just 18 inches of spin-induced vertical movement. It’s that, plus where it was released from, plus where it entered the zone. All of those things together equate to one true number. Read the rest of this entry »

The fact that Andy Haines has been coaching for close to two decades doesn’t make him unique among his contemporaries. But his background does differ. Two years into his tenure as the hitting coach of the Milwaukee Brewers, Haines is just 43 years old. He’s either been coaching or managing for basically his entire adult life.

Haines earned a master’s degree from Middle Tennessee State University, and since that time he’s tutored players in independent ball, at every level of the minors — including as a coordinator — and more recently in the majors. An assistant hitting coach with the Chicago Cubs in 2018, where he worked alongside Chili Davis, Haines was hired into his current role by the Brewers in November of that same year.

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David Laurila: What stands out to you about today’s hitting environment?

Andy Haines: “What’s prevalent right now is how things have evolved with technology. Hitting is still at the mercy of pitching — it’s still a reactionary event — and the trends in the game somewhat dictate what hitters need to do to have success. You’re seeing guys rip four-seamers at the top. With technology, guys in the minor leagues can practice not only spinning the ball, but how efficiently they can spin it, and where it gets the outs.

“Everybody talks about the trends — the Three True Outcomes — and how the game is being played. For me, those are the challenges on the hitting side. And defense is a part of run prevention, too. The defense in the big leagues is incredible. Front offices have more research tools and sophistication as far as defensive metrics. They play you where you hit the baseball. So there are a lot of things trending that make it challenging to score runs.”

Laurila: How similar are big-league hitting coaches right now? Do they all speak the same language — not just the terminology, but also the concepts being prioritized? Read the rest of this entry »

This is Part Two of an interview with Jim Gentile, who played for five teams, primarily the Baltimore Orioles, from 1957-1966. Part One can be found here.

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David Laurila: You mentioned Boog Powell earlier. What can you tell me about him?

Jim Gentile: “You could tell when he was 18 years old that he had all the makings. I knew he was going to be a first baseman after I watched him, because he had great hands. They put him in left field when he came up with us — that would have been ’62 — and he did a real good job.

“I didn’t have a very good year in 1963, so I kind of knew they were going to make a trade. They signed Hank Bauer to be the manager. All of us that were living in Baltimore — Jackie Brandt, Milt Pappas, and myself — went down to the ballpark and met with Hank. He gave us a big talk. I was asked, ‘You gonna be ready for this year?’ I said, ‘Yeah.’ That night I get a phone call. I pick it up and [GM Lee] MacPhail says. ‘Jim, thank you for the great years you had with us. I just traded you to Kansas City. I think you’ll enjoy it.’”

Laurila: Were you surprised?

Gentile: “I was surprised I went to Kansas City — they usually made their deals with the Yankees — but I was lucky to meet a guy who became a dear friend of mine, Rocky Colavito. [Charlie] Finley said that he traded for the two of us because he wanted power. Well, it’s good to have power, but you’ve got to have pitching, too. A whole lot of clubs have proven that over the years. We weren’t very good. Anyway, I played there in ’64, and part of ’65. Last part of May, I was tied with Mickey Mantle for home runs, with 10, and Finley calls and tells me that I was sold to the Astros for $150,000, and two players [to be named later].” Read the rest of this entry »

Jim Gentile’s big-league career was filled with peaks and valleys. Short in duration — seven full seasons preceded by two cups of coffee — it was bookended by a lack of opportunity. In between, Gentile was a beast with the bat. From 1960-1964, the slugging first baseman logged a 139 wRC+ and made three All-Star teams. His 1961 campaign was Brobdingnagian. Playing for the Baltimore Orioles, “Diamond Jim” slashed .302/.423/.646 with 46 home runs and 141 RBIs — the last of those numbers being noteworthy for more reasons that one. Five decades later, it made his bank account just a little bit bigger.

Gentile — now 86 years young — reminisced about his bygone career over the phone earlier this summer.

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David Laurila: You were signed out of (a San Francisco) high school by the Brooklyn Dodgers in 1952. What was that experience like for you?

Jim Gentile: “Well, we didn’t have a draft. Once you graduated, you hoped your phone rang. I knew I was going to get signed, it was just a matter of with who. I talked to the Yankees, the Red Sox, the Phillies, and then the Dodgers scout came over last. We had dinner with him at the house, and we liked their offer. I signed for a bonus of $30,000 with a Double-A contract. Once I got a big-league contract, I got $7,500 more.

“This was in June of ’52 and they said, ‘Let’s wait until ’53; then you can go out to spring training.’ So I was home, and around August they called and said that one of the pitchers in Santa Barbara — that was the California State League, Class C — had gotten hurt. Would I like to go down there and see what professional baseball was like?

“I walked into the clubhouse, and [manager] George Scherger met me. We talked, then he handed me a baseball and said, ‘You’re pitching tonight.’ [San Jose] had just signed two guys for $80,000, and Marty Keough for $125,000. They were all my age, but starting out in Class C. I pitched against them. I had a no-hitter for seven innings, then they beat me in the eighth inning, The score was 3-2.”

Laurila: So your first professional game went pretty well…

Gentile: “Yes, but after that it was ‘Get the married men off the infield,’ because they started hitting me all over the place. I won two and lost six. The two I won, I won with my own home runs, so when ’53 came around they asked if I wanted to pitch or play first. I said, ‘I really like to hit, so let’s try first base.’ They put me at first, and that’s where I stayed. Read the rest of this entry »

The legend of Steve Dalkowski is well known. Arguably the most famous player to never reach the big leagues, the Connecticut-born left-hander is said to have thrown harder than anyone alive… and he had little idea where the ball was going. Pitching primarily in the Baltimore Orioles organization, Dalkowski walked 1,236 batters — and fanned 1,324 — in 956 minor-league innings. His star-crossed career, which spanned the 1957-1965 seasons, inspired the “Bull Durham” character Nuke LaLoosh.

Dalkowski died this past April, and a handful of months later a biography of his roller-coaster baseball life was published: Dalko: The Untold Story of Baseball’s Fastest Pitcher, by Bill Dembski, Alex Thomas, and Brian Vikander. In late October, Vikander — a longtime pitching coach with expertise in both biomechanics and mental skills — was a guest on Justin McGuire’s always-insightful Baseball by the Book podcast. What I heard prompted this interview, which was conducted over the phone last week.

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David Laurila: How hard did Steve Dalkowski throw?

Brian Vikander: “In my opinion, he threw over 110 mph. I base that on a couple of things. The first is that there’s not one individual — not one — who has ever come forward and said that he was not the hardest thrower, the biggest arm, in the history of baseball. You’ve got guys who saw ‘Rapid Robert’ Feller, Ryne Duren, Rex Barney, Nolan Ryan, Sandy Koufax…and everybody says it was Dalko. You can debate 2-10 in any fashion that you want, but he’s No. 1. Hall of Famers said it. Earl Weaver said it. Pat Gillick said it.”

Laurila: A lot of people reading this are going to think, “That’s anecdotal; where is the proof?” They’re going to doubt that Dalkowski ever threw that hard.

Vikander: “Well, right now we’ve got 108.1 on Nolan Ryan’s release point on a fastball, so we’re asking people, credibly, to give us two miles an hour. That’s not that big a stretch. I went down to ASMI, in Birmingham, Alabama — they are the consultants for Major League Baseball on all things kinematic in the sequencing and energy production for arms — and spent a few days. I was with seven PhDs from MIT, and they were all telling me that I don’t know what I’m talking about. But then on the third day, everybody came around. They said, ‘That theory that you have proposed, Brian, doesn’t guarantee anything, but it does put forward the possibility that this guy could have been in that rare air and actually done it.’ Read the rest of this entry »

Drey Jameson is one of the more-intriguing pitching prospects in the Arizona Diamondbacks’ system. Drafted 34th overall in 2019 out of Ball State University, the 23-year-old right-hander possesses a lean frame — he is listed at six-foot-even and 165 pounds — yet he consistently pumps mid-to-high-90s gas. Moreover, the secondary pitches he throws from a deceptive delivery all grade out as plus. A native of Greenfield, Indiana, he entered the year ranked 13th on our 2020 D-Backs Top Prospects list.

Jameson discussed his repertoire and how COVID-19 impacted what would have been his first full professional season during the final week of Arizona’s fall instructional league, which wrapped up earlier this month.

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David Laurila: What should people know about you as a pitcher?

Drey Jameson: “I’d say I’m kind of electric, kind of fast-twitch with a really fast arm. It’s more like [deception]; I’m not a guy who is standing tall on the mound and has that straight downhill with his fastball. And my stuff separates. With my changeup, I’m a pronation guy, so my changeup works really well for me. Outside of that, I consider myself a fierce competitor who goes out and attacks guys.”

Laurila: You’re listed at six foot and 165 pounds. Is that still accurate?

Jameson: “I’m six foot, but I’m ranging anywhere from 170 to 178. I guess I’m usually around 175.”

Laurila: When our 2020 Diamondbacks Top Prospects list came out, your writeup included, “His high-maintenance delivery is hard to repeat.” Is that accurate? Read the rest of this entry »

Dick Hall had a long and remarkable career, and at 90 years young, his memory remains strong. There’s a lot for him to reminisce about. Originally an infielder/outfielder with the Pittsburgh Pirates — he debuted in 1952 — Hall converted to the mound in 1955 and went on to pitch for 16 big-league seasons.

A right-hander who both started and relieved, Hall had his best years with the Baltimore Orioles, with whom he had 65 wins, 60 saves, and a 2.89 ERA over two stints and nine seasons. His career culminated with three consecutive Fall Classics, the middle of which saw Baltimore beat the Cincinnati Reds in the 1970 World Series. All told, Hall pitched eight-and-two-thirds postseason innings without allowing an earned run.

Hall discussed his career shortly before becoming a nonagenarian in late September.

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David Laurila: You pitched for a long time, but only after starting your career as a position player. How did that come about?

Dick Hall: “Well, there was no draft when I signed with the Pirates in the fall of 1951. I then started playing in their minor league system in 1952, and after my
second season — after the 1953 season — they sent me down to Mazatlán, Mexico
to get further experience. I was a second baseman/outfielder in those days. Mazatlán almost sent me home, but then I changed the grip on my bat and started hitting home runs. Mazatlán calls Pittsburgh and said, ‘We’ll keep him after all.’

“I set the league home run record, so they welcomed me back the next year. I told the manager, ‘Look, I pitched all the time in high school, college, and semi-pro,’ so if he wanted, I could pitch. One Sunday we were up in Hermosillo, which is a few hours from Arizona, and we played a four-game series which included a doubleheader on Sunday. We carried four pitchers. We had a Cuban pitcher, a Mexican pitcher, and two from the United States. Anyway, on Sunday they scored a couple runs early. Our starting pitcher ran into huge trouble, so the manager called me in from center field. I ended up pitching six-and-a-third innings and gave up one single. Read the rest of this entry »