As of March 16th of this year, everything was decidedly not sweetness and light for Boston right-hander Joe Kelly. On that day, he recorded his third (and ultimately final) start of spring training, over the course of which he conceded three runs in just 2.2 innings, bringing his spring ERA to 11.05. Worse yet, he was compelled to leave that start due to biceps tightness in his biceps (i.e. the place where that kind of tightness is most commonly found). The outlook was sufficiently grim that managing editor Dave Cameron was forced to publish a post here considering other starting possibilities for the Boston Red Sox.

Following a retroactively dated trip to the disabled list and a pair of minor-league spring-training appearances, Kelly made his season debut on Saturday. It’s hard to know what Kelly’s expectations were or what the organization’s were, but “low-ish” is an objectively reasonable assumption. If nothing else, there had to be concerns regarding Kelly’s endurance. Of the two appearances he’d made since leaving his spring start with an injury, his highest pitch count was 78. “Ideally he’d have another outing to build arm strength before an MLB game,” John Farrell said in the presence of Providence Journal reporter Tim Britton. That ideal scenario did not become a reality. Instead, Kelly’s next appearance was Saturday’s.

There were reasons, in other words, to expect the worst for Joe Kelly’s start on Saturday at Yankees Stadium. In reality, however, Kelly’s results from that start were actually the best. Not the best in every sense of the word, but certainly among the best so far as Kelly’s major-league career is concerned. He allowed just one run over 7.0 innings. He posted the lowest single-game FIP (41 FIP-) of all his starts ever. And another thing he did was to surpass his previous single-game strikeout mark. Previous to Saturday, he’d recorded six strikeouts in a single game on seven different occasions. On Saturday, however, he produced eight strikeouts (i.e. two more than ever before).

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The Red Sox have played one game this season. Seems like it’s time to check in on Dustin Pedroia. Before you go, assuming the rest of this is going to be stupid, at the very end there is a poll. Internet readers love polls. Please vote in it only after you at least glance over what’s in between. So: Dustin Pedroia has two home runs!

Already, that says something. Pedroia, last year, hit seven home runs. He went deep twice on Monday against the ace to whom the Red Sox have been most frequently linked in trade rumors. Now, Pedroia wasn’t the only Boston player to go deep, so, maybe it was just one of those days. Yet it wasn’t just that Pedroia homered. It was also how Pedroia homered. His homers looked like classic Pedroia homers, and that’s just the thing.

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The Red Sox clearly have a thing for Justin Masterson. They drafted him with their second-round pick in 2006, then developed him into one of their best young pitching prospects before the Indians demanded him as part of the Victor Martinez trade in 2009. This winter, when he was finally a free agent after spending six years in Cleveland, the Red Sox took the opportunity to bring him back to Boston, signing him to a $9.5 million contract for 2015 despite the fact that he posted a 5.88 ERA last season.

The organization’s affinity for Masterson’s skillset is noteworthy, because this week, the Red Sox signed Rick Porcello to a four year, $82.5 million contract extension on the bet that Porcello is essentially a younger version of this same type of pitcher.

First, let’s do a quick comparison. Here are Masterson and Porcello’s numbers from their age-23 through age-25 seasons, which in Porcello’s case covers the last three years.

Both Porcello and Masterson were pitch-to-contact groundball hurlers, with Masterson getting a few more grounders and strikeouts at the expense of a walk rate that was significantly higher than what Porcello has posted. They’re not identical, but they’re cut from the same cloth, and heading into their mid-20s, the results were quite similar. By ERA, both were roughly league average starters, though metrics that attempt to eliminate defensive performance from the picture both thought they were significantly above average, with Porcello being slightly ahead of Masterson at the same point in their careers.

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Following a stupid .451/.491/.804 performance in the Grapefruit League, the hype surrounding Red Sox outfielder Mookie Betts is through the roof. Scouts are all but penciling him into July’s All-Star lineup, and some of Betts’s peers have even gone as far as to compare him to Andrew McCutchen. And wouldn’t you know it, Betts opened the 2015 season by going 2-4 with a homer and a walk on opening day. Mookie-mania is upon us.

Here at FanGraphs, we’ve been on the Betts bandwagon for a while. Carson Cistulli’s been tracking Betts since July 2013, when he made his first appearance on one of his fringe five lists. An undersized 5th round draft pick with excellent stats, Betts was exactly the type of prospect who endears himself to prospect enthusiasts whose heads are buried in spreadsheets. At that point, Betts was merely a little-known A-Baller with an unusual name.

But last year, Betts took his act to Double-A, and kept right on hitting. He put up a 177 wRC+ in two months in Double-A, and followed it up with a 158 mark in Triple-A. The 5-9 second baseman with the funny name was starting to look like a bona fide prospect, and it was happening in a hurry.

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Beating the rest of the league to the punch with a large contract extension for Rick Porcello when much better players await in free agency is not going to garner excitement or plaudits, but the Red Sox are anticipating an expensive free agent market in 2016 and providing themselves a safety net. Boston resorted to Plan B before they knew if Plan A would work, but the Red Sox can still implement Plan A and sign a big-name free agent while simultaneously providing depth for their rotation. Five years and $95 million is a lot of money for a player without a world-beating track record, but Porcello has been good and reliable and he is still just 26 years old. This contract is not all that surprising as Mike Petriello predicted a similar contract in February.

Last year, three pitchers signed extensions just a year away from free agency and one of them is apt for Porcello. Clayton Kershaw’s seven-year, $215 million contract is way too big, Charlie Morton’s three-year, $21 million contract is too light, but Homer Bailey’s six-year, $105 million contract (with an option for a seventh year) is right in the same range as Porcello. Bailey was two years older and only twice pitched over 150 innings while Porcello has exceeded that mark in six straight seasons. Bailey was coming off the better season, with around four wins in 2013, but he also received more money with greater risk of injury. According to Jeff Zimmerman’s disabled list projections, Porcello is the second most likely starter to make it through the season without a stint on the disabled list.

Even if we treat Bailey as an outlier for an extension, last year’s free agent class has a pretty close contract to Porcello’s: James Shields, who signed for four years and $72 million with the Padres. Shields has the better track record, but he’s headed into his decline years while Porcello is headed into his mid-20s. While Shields’ deal ends when he’s 36, the Red Sox have only committed to Porcello up to age-30.
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And now the final division preview, just in time for Opening Day. If you missed them, here are the first five:

NL West
AL West
NL Central
AL Central
NL East

Now, wrapping things up with the AL East.

The Projected Standings

The only division in baseball where all five teams have a legitimate shot at winning; the projected spread between first and last place in the AL East is smaller than the gap between first and second place in the NL East. The forecasts have a favorite, but this division is wide open, and nearly any order of finish could be reasonable. On to the teams themselves.

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This week’s nuttiest pitches might even have a point. But let’s just start with the GIFs. Because it’s fun to watch crazy pitches do crazy things.

Let’s do the uncle charlies, the yakkers, the yellow hammers — curveballs are on the menu today. As usual, we’re looking at the last three years because that’s what MLB.tv allows us, and we’re sorting PITCHF/x to find the pitches with the most extreme horizontal and vertical movement, as well as velocities.

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Yesterday, the Marlins agreed to sign outfielder Christian Yelich to a deal that guarantees him at least $51 million over seven years, locking up one of the game’s best young players. This morning, Rob Bradford of WEEI.com reported that the Red Sox are considering approaching Mookie Betts about signing a long-term deal of his own, which might both serve to lock in some future cost savings as well as temper the speculation about if they’ll use Betts as a trade chip to relieve their outfield logjam. The timing of Yelich’s deal and the rumored possible offer for Betts serves as an opportunity to look at them side by side, and note that while they’re physically quite different, they might be pretty similar players going forward.

Certainly, Yelich and Betts don’t look similar. Yelich is six inches taller, standing at 6-foot-3 compared to the 5-foot-9 Betts. Besides just the size difference, Yelich hits from the left side while Betts is a right-handed batter. If you watched them both swing, you wouldn’t necessarily draw a connection between them.

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Today, Joe Kelly took the mound in Ft. Myers, and it didn’t go well; he gave up seven hits in 2 2/3 innings before leaving with an injury currently being called biceps tightness

Kelly said he had biceps tightness that limited him to fastballs; 'not concerned.' Says he's had it before. 'Usually doesn't last too long'

— Alex Speier (@alexspeier) March 16, 2015

Today’s performance continued a trend from his two previous spring training starts, as he’s now allowed 17 hits in 7 2/3 innings this spring; his spring training ERA currently stands at 11.05. On their own, the results aren’t a big deal, but when you combine it with a potential injury, it might be fair to say that Kelly’s spot could be up for grabs at this point.

Of course, any time the Red Sox rotation is mentioned, people will invariably bring up Cole Hamels, but Boston continues to seem uninterested in meeting the Phillies price, and they do have some interesting alternatives in-house. While youngsters Henry Owens and Eduardo Rodriguez are the two best long-term prospects and might be ready for an audition, John Farrell has made sure the beat writers keep Steven Wright’s name in the picture as well. Per Alex Speier, from this morning:

The Sox would not be opposed to adding a veteran starter to their Triple A rotation. But Farrell again expressed confidence in Steven Wright as a depth starter. “He gives us a lot of comfort. As that knuckleball has come along, he’s throwing a lot more strikes,” Farrell said. “He’s got the ability to give a contrast of style.”

Projecting the performance of knuckleballers is not quite impossible, but is something kind of close to it. Wright could be very good — as he was in a September trial last year — or he could be terrible, with pretty much any result in between seemingly equally likely. Knuckleballers are lottery tickets, especially ones with spotty track records and iffy command. Dickey’s success came after he cut his walk rate in half, which Wright appears to have done in Triple-A last year, but we essentially have half a minor league season and a month of big league action where Wright showed a consistent ability to throw strikes. If he’s not throwing strikes, he’s not any good, and it’s not a big surprise that the Red Sox wouldn’t want to count on his 2014 command improvement carrying over when trying to win in 2015.

But there are a couple of reasons why I think it might make sense for the Red Sox to give Wright a shot, especially if Kelly needs replacing on the Opening Day roster: his Z-Contact% and the knuckleball carryover effect.

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What if I told you Allen Craig played hurt last year, and I could prove it? You’d probably say something like “uh” or “that won’t be necessary.” Submitted as evidence: last season, Allen Craig sucked. He finished with a wRC+ that was just about half his previous season’s mark. Submitted as further evidence: Craig and everyone around him admitted he was playing hurt (Update: actually, maybe not!). There was absolutely zero mystery Craig had an injured foot, and hitters like to say almost all their success comes from the lower body. We can’t pin all of Craig’s struggles on his ailment, but it sure would make sense as an explanation.

Conveniently, though, we see other indicators. It was widely understood Craig was hurt. Because Craig was hurt, he had a different swing. Because he had a different swing — and different levels of strength — Craig was attacked in a different way. Allen Craig’s pitch pattern in 2014 strongly hinted at something being wrong, and so Craig’s pitch pattern in 2015 will tell us, and tell us quickly, to what degree he’s recovered. Even before Craig has much of a batting sample size, the pitchers will tell us if he seems like a threat.

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