There’s a bad joke that we throw around when an older player signs — that he brings with him veteran presents. In the modern clubhouse, though, it’s unclear how much this sort of thing matters. There’s a lot of putting your head down and working on your craft — or keeping your nose out of other players’ business, at least. But then you get the odd story here or there where a veteran comes in and helps a young man develop, and you wonder if the jokes are misplaced.

Like this story about Jon Gray. He was a man with a fastball and a slider, searching for something that would expand his arsenal. The curve was promising, but less effective in Colorado. “Then I talked to [Adam] Ottavino about the slider,” the 24-year-old Rockies starter told me earlier this year, “and I started manipulating it differently in different situations.” Look at that: tangible veteran presents, from a player who just last year told us about his ability to alter his slider to battle lefties.

I recently got to check back in with Gray about that slider manipulation. He was fresh off a rejuvenating bullpen session in San Francisco and had even better feelings about his changeup. And his curve. Now we look up and, in his last start, on Wednesday against the Orioles, he actually used both his curve and change 10% of the time… and it was the third time he’d done so all season. Looks like Gray has found a few more pitches that he trusts.

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On Sunday, news broke that the Rockies were ready to call up top prospect David Dahl following his 2016 minor-league stints at both Double-A and Triple-A, both of which were incredibly successful. For a prospect who looked to be thrown off his fast track last year thanks to a spleen injury, the news is joyous for Rockies fans. The high-school standout reaches the majors in his fifth professional season, which in the grand scheme of things, isn’t really that far off course.

While plenty of players from his draft class have already found success in the majors — Carlos Correa, Addison Russell, Corey Seager and Marcus Stroman, and Michael Wacha are other 2012 first rounders who have done well — some still haven’t debuted at all. That list includes three players taken ahead of him — Kyle Zimmer, Max Fried and Mark Appel — and Albert Almora, taken four picks ahead of Dahl, was only just recently promoted.

I think Dahl will be a monster, but don’t take my word for it: read what Eric and Chris have to say about him. As cool as Dahl’s promotion is for the Rockies, it wasn’t his actual promotion that was the most interesting tidbit to come out of his news report. The Rockies, 7-3 since the All-Star break at the time of his call-up (and now 7-4 following a loss last night), suddenly are not yet ready to give up on 2016. Per Thomas Harding of MLB.com:

The callup comes with the Rockies challenging themselves to become a contender. They are 47-51, six games back in the National League Wild Card race.

The Rockies wake up this morning in sixth place for a National League wild-card berth, behind the Dodgers, Mets, Marlins, Cardinals and Pirates, whom they trail by 4.5 games. The Rockies are sort of floating in their own tier, as they have a bit of separation between themselves and the next team in the queue (the Phillies at 8.0 games back).

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Before debuting yesterday for Colorado, 22-year-old outfielder David Dahl had recorded a smooth .307/.389/.562 between Double-A and Triple-A this year, including a torrid .456/.508/.886 showing in his short stint at Triple-A. Dahl possesses an exciting combination of power and speed. The former 10th-overall pick belted 18 homers in the minors this year while also swiping 17 bases. Dahl’s 20-plus-homer power is a relatively new addition to his skill set, but it’s not as though he hasn’t shown glimpses of it before.

Dahl has plenty going for him in the power and speed departments, but his strikeout numbers are some cause for concern. He whiffed in 25% of his plate appearances in Double-A last year, and didn’t really improve in that area this season. Much this year’s improvement can be traced back to his sky-high .388 BABIP, while the underlying contact issues linger.

Dwelling on Dahl’s contact rates almost feels like nitpicking, however, especially since his strikeout numbers are trending in the right direction. All in all, Dahl has an awful lot going for him. Whether you look at his stat line or his scouting reports (such as the one published today by Eric Longenhagen), it’s very easy to envision him sticking as a quality everyday center fielder.

My newly revamped KATOH projection system is a big believer in Dahl. My stats-only model rates him as the #12 prospect in baseball, while my KATOH+ model — which also integrates Baseball America’s prospect rankings — placed him at #14. They foresee 9.0 WAR and 11.1 WAR, respectively, over Dahl’s next six seasons.

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Outfielder David Dahl’s (dahl?) ascent to the major leagues, at which level he debuted last night for Colorado, has been relatively swift considering he missed just about all of 2013 with a hamstring injury and a huge chunk of 2015 with a ruptured spleen. That missed development time — in concert with Colorado’s unenviable affiliate situation — has made Dahl difficult to evaluate and project. In four pro seasons, Dahl has spent time with clubs in Grand Junction, CO; Asheville, NC; Modesto, CA; Boise, ID; New Britain, CT; Hartford, CT (but not actually in Hartford because that club doesn’t actually currently possess a home park); and Albuquerque, NM.

Pro scouts with area- or league-based coverage had a difficult time getting in-depth looks at Dahl because of the unusually nomadic nature of his career. His tools haven’t been difficult to evaluate (and they’re impressive), but what has been hard to grasp are Dahl’s secondary skills. He came into this season with a career walk rate around 5%, but Dahl has doubled that this season and it’s hard to discern if those improvements are real.

Let’s say, for the sake of argument and in effort to discern his floor, that Dahl’s newfound plate discipline is a mirage. Steamer has him regressing to a walk rate just shy of 6%. We’re still talking about a plus runner with a plus arm (his throw to nail Josh Naylor at the plate in the Futures Game was particularly impressive) who projects as a plus defender in center field. Impact defense at a premium position is often sufficient to justify playing everyday, even if the bat is light. Punchless though they may be, black-hole center fielders like Ender Inciarte (.242/.309/.319), Billy Hamilton (.251/.299/.351) and Kevin Pillar (.259/.390/.382) are all comfortably above replacement level this season. Dahl’s defense, though not on the elite level of Hamilton and Pillar, is strong enough that the offensive bar he’ll need to clear to play every day is relatively low.

Dahl sports plus bat speed and good bat control, but his ability to hit is undermined by some of the effort in his swing and inconsistent pitch-tracking. His swing can get long at times because of how early he extends his hands, which causes some tardiness. I’ve also gotten some reports that question Dahl’s ability to hit anything on the outer half with authority, though he’s adept at taking those pitches to the opposite field and his bat path aids in that. There’s above-average pull power here — and it will undoubtedly play up in Denver. It just remains to be seen how much of it Dahl will get to if I’m correct about his swing-and-miss issues.

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If you woke up this morning, looked at the WAR Leaderboards for position players and saw Mike Trout, Jose Altuve, and Manny Machado near the top, you might have had an inclination that all is right with the world. After all, those three players are some of the very best in major-league baseball, and we would expect to see them at the top of the list. Of course, when you look closely at the leaderboard, it’s important to note that there are 171 qualified players. To regard the WAR marks as some sort of de facto ranking for all players would be foolish. For some players, defensive value has a large impact on their WAR total, and it’s important, when considering WAR values one-third of the way into the season, to consider the context in which those figures.

“Small sample size” is a phrase that’s invoked a lot throughout the season. At FanGraphs, we try to determine what might be a small-sample aberration from what could be a new talent level. Generally speaking, the bigger the sample size, the better — and this is especially true for defensive statistics, where we want to have a very big sample to determine a player’s talent level. Last year, I attempted to provide a warning on the reliability of defensive statistics. Now that the season has reached its third month, it’s appropriate to revisit that work.

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The first read of Trevor Story’s split stats produces an easy narrative. In April, he recorded a .988 OPS due (in part) to ridiculous, unsustainable power. Since then, his OPS has been under .800, with half as many homers. The league adjusted to him, and he didn’t adjust back. Simple enough.

Of course it’s much more complicated than that in reality, at least in terms of what’s happening on the field. To the player, it’s simple.

Jeff Sullivan documented a stark adjustment that the league made to the Rockies’ shortstop after that huge first week. They stopped throwing him inside because he showed he could pull those pitches for homers.

“A lot of people don’t pitch inside, I don’t think,” said Story about that first week, framing that first week as the anomaly, which might come as a surprise. “Some teams do, and some teams don’t.”

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Jon Gray had one of his best starts of the season on Sunday. The Colorado Rockies right-hander fanned 12 while limiting the Padres to two runs over seven innings. It was his third straight solid outing following a a nine-run dud against the Cardinals on May 19.

A few days after his St. Louis shelling, the 24-year-old University of Oklahoma product threw a pre-game bullpen session at Fenway Park. On his way back to the clubhouse, he stopped in the outfield grass and conferred with his pitching coach, occasionally mimicking his pitching motion.

After the confab concluded, I approached him to ask what they’d been working on. I had other questions in mind as well. I’d interviewed Gray a few months after he was taken third overall in the 2013 draft, and a lot of development had occurred since that time. A follow-up was in order.

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Gray on his development and needing to stay in sync: “There’s a lot more to this game than it might seem. You’re constantly making adjustments in order to compete. I’ve done a lot of things with my delivery, as well as mentally. You have to make adjustments a lot faster at this level. If I know something isn’t right in my delivery, I have to change it as soon as possible, otherwise it’s going to get bad. Same thing mentally. I have to really keep tabs on myself, with each pitch, each approach.

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Heading into the 2012 season, Baseball America wrote of DJ LeMahieu, “Most scouts see him as a singles hitter who doesn’t provide enough beyond his batting average.” BA added that “his fringy speed and quickness don’t fit at second base.”

The latter turned out to be patently false. The 27-year-old won a Gold Glove at second base with the Rockies in 2014, and he remains a solid defender. He doesn’t look like a middle infielder — LeMahieu is 6-foot-4 — but his plus-2 DRS over the last two years puts him solidly in the gets-the-job-done category.

From an offensive standpoint, the singles-hitter label has a grain of truth to it. Despite calling Coors Field home, LeMahieu doesn’t leave the yard very often. Extra-base hits aren’t his forte (last night’s home run and pair of doubles notwithstanding). And while he’ll accept a free pass — his walk rate is a respectable 8.3% — no one is about to compare him to Eddie Yost.

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In last night’s fifth inning, the Rockies threw punches and punches until the Giants were frontless. They scored 13 runs, which, as was noted at Purple Row, was a team record for runs scored in an inning. Oh, did I mention that this game was in San Francisco, and not in Denver? Because it was, which makes it all the more surprising. Let’s walk back through their blockbuster night, and use it to show what the Rockies are doing right this season.

First, let’s put this game into some context. Here are all the teams who have scored 15 or more runs in a game at AT&T Park, which as you probably know has been open since 2000.

15+ Runs Scored by Single Team, AT&T Park History

Date	Tm	Runs	Opp	Runs	Barry Bonds?
5/6/2016	COL	17	SFG	7	No
7/10/2015	SF	15	PHI	2	No
9/13/2014	LAD	17	SF	0	No
8/31/2014	SF	15	MIL	5	No
8/24/2010	SF	16	CIN	5	No
9/24/2008	COL	15	SF	6	No
7/23/2005	FLO	16	SF	4	No
9/3/2004	SF	18	ARI	7	Yes
4/9/2003	SF	15	SD	11	Yes
5/24/2000	SF	18	MON	0	Yes

SOURCE: Baseball-Reference Play Index

As you can see, this doesn’t happen very often — happens even less when Barry Bonds hasn’t been involved. For reference, over the same time span, a team has scored 15-plus runs at Fenway Park 37 times. Across the bay at whatever Oakland’s ballpark is called now, it’s happened 16 times. At Camden Yards, it’s happened 27 times. Runs are simply harder to come by in games affected by the marine layer.

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They say you can’t predict baseball, but that’s nonsense. You can’t predict all of baseball, but you can definitely predict some of baseball. One of those predictions that any one of us could’ve made: There was no way Trevor Story was going to keep that up. It was so obvious that even saying it would’ve been empty. Pointless. The prediction was essentially implied by the statistics, because the statistics were so absurd everybody recognized it.

Let’s talk about this. Hot starts like Story’s regress. We know that to be true, and regression takes place for a few reasons. Luck just evening out is one of them. Hot streaks are typically accompanied by good luck, and cold slumps are typically accompanied by bad luck. And then there are the adjustments. Adjustments! Our favorite genre. When you’re a hot hitter, you don’t keep getting the same at-bats over and over and over again. Opponents learn about you, and they put that information to use. Strengths are apparent, and so are anti-strengths, and that gets folded in to how a guy gets pitched. It’s a tale as old as baseball, even if it’s told a little differently these days.

Hot starts regress. Opponents adjust. Trevor Story had a hot start. Opponents adjusted. Welcome to the big leagues.

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