The last time I wrote about Edge% it was in the context of the Tampa Bay Rays using it to get their pitchers into more favorable counts on 1-1. But now I want to take that topic and drill a little deeper to understand how often edge pitches are taken for called strikes.

Overall, pitches taken on the edge are called strikes 69% of the time. But that aggregate measure hides some pretty substantial differences. Going further on that idea, I wanted to see how the count impacts the likelihood of a pitch on the edge being called a strike.

Here are the results:

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Jarrod Saltalamacchia has come a long way behind the plate. “Salty” isn’t among the elite at his position, but he’s developed into a solid defensive catcher. He is certainly among the most cerebral. Once looked at as an offense-first backstop, he is playing a key role in the success of a Boston Red Sox pitching staff that is exceeding expectations.

Originally a first-round pick by the Atlanta Braves in 2003, the 28-year-old switch-hitter was acquired by the Red Sox from the Texas Rangers in 2010 and has been the team’s primary catcher for the past two seasons. He discussed the nuances of his craft — and several members of the Boston pitching staff — prior to a recent game at Fenway Park.

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We are a little more than two months into the season, and that means it’s time to check on early season velocity trends. As I’ve mentioned before, declines in velocity are a less reliable signal in April and May than in June and July, but nevertheless large declines can still be a solid predictor that a pitcher’s velocity has in fact truly declined and will remain lower at season’s end. Almost 40% of pitchers that experience a decline in April — and almost 50% in May — will finish the season down at least 1 mph. And while the signal gets much stronger in July, 40% is still a pretty sizable number.

So let’s take a quick look at the major decliners from April and May.

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You’ve probably heard the Daniel Nava story before. He went undrafted out of college, was initially cut by the independent Chico Outlaws, and when the Red Sox did sign him, they only paid $1. (Boston would eventually pay $1,499 more). Three years later, Nava broke into the majors — but not for good. Even devout Red Sox fans would be forgiven if they’d forgotten Nava’s name heading into 2012, and he has never been part of Boston’s Plan A. But he’s waited for his turn — and so far this season, he’s been one of baseball’s best hitters.

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Just a couple of years ago, Jacoby Ellsbury came out of nowhere of have one of the best seasons by a position player in years. He hit .321/.376/.552 (149 wRC+) with 32 home runs while playing center field that impressed both the Gold Glove voters and various fielding metrics. Although Ellsbury had been a first-round draft pick by the Red Sox in 2005 and had been a very good prospect in his minor-league days, it is unlikely many saw 2011 coming. While Ellsbury was amazingly fast — he stole 70 bases in 2009, one of only three players to steal 70 or more in a single season since 2000 — and had good contact skills, he had not shown anything close to that sort of power. In fact, he had never hit double digits in home runs in any major or minor league season prior to 2011.

It would have been unfair to expect Ellsbury to repeat his 2011 performance, but even so, he has been disappointing since then. His 2012 was derailed by an early shoulder injury and he ended up playing only 74 games while hitting just .271/.313/.370 (83 wRC+). Ellsbury is off to an even worse start this year at .242/.307/355 (72 wRC+), and while 212 plate appearances are not many, they are not nothing, at this point, either. The Red Sox are obviously in contention, and are arguably the favorites to win the East at this point. The divisional and playoff races look to be very tight, so contenders have to make every decision count. Figuring out what Ellsbury can offer or if they need to lessen his role is obviously a big decision for them. It is not that Ellsbury has to repeat his 2011 performance — far from it. He does not need to be a superstar for the Red Sox to have a chance. The questions are whether or not Ellsbury is going to keep flat-lining and how long Boston should wait to find out. The Sox are competing even with him hitting horribly now, but that is not something they want to live with if they do not have to do so.

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Some weeks, there are major developments in the business of baseball — like a team signing a new local TV contract. Some weeks, there are little developments on the big developments. My posts tend to focus on the big developments, but that leaves you in the dark on the little developments, unless those little developments become big developments down the road.

Dollars & Sense keeps you up to date on the smaller stories that are important but may not justify a separate post. Today, we have news on attendance through the first quarter of the seasons and expanded in replay in 2014.

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How far can a player go on base running alone? Probably not too far. Speed as a tool is obviously quite valuable, especially at an elite level, as it feeds both into the ability to provide value on the bases and in the field. Strictly in terms of offense, though, how good can a player be with a terrible bat and good base-running skills? Just for fun, here are five recent individual seasons with the biggest differential between base-running value and batting value.

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Several high-profile hitters have been slowed by back injuries this season. The Yankees’ Kevin Youkilis is on the disabled list with a sprained back for the third time in his career. Shane Victorino missed eight games from late April to early May because of a bad back. Jose Bautista missed about a week of play with back spasms. When back problems occur to hitters, fans should not be surprised to see a marked loss of future production from those players.

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Greetings FanGraphs readers, I am Drew Sheppard, and if you recognize my name it is probably from the Yu Darvish pitch selection GIF that made the rounds last week. Over the coming months, it is my goal to use similar techniques to put a visual spin on some of the information FanGraphs has always provided, including but not limited to similar pitcher breakdowns.

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Jed Lowrie has played for three organizations already, despite having accrued little more than two full seasons worth of Major League plate appearances. That might be because the oft-injured 29-year-old has never had so much as 400 plate appearances in a given season since his major league debut in 2008. Through it all, he’s been trying to shake off those injuries and prove himself as a young veteran in the league. Maybe we’re just getting to know the real Jed Lowrie now.

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