Boston’s Sweep Creates Separation in the AL East

A three-homer game by Steve Pearce, a pair of stifling pitching performances by Rick Porcello — an 86-pitch complete game, the fewest needed for a nine-inning outing since 2014 — and Nathan Eovaldi, and an after-midnight comeback from a 4-1 deficit. With that, the race for the American League East flag is all over but the shouting. At Fenway Park this weekend, a banged-up Red Sox squad swept four straight against a banged-up Yankees squad, widening their division lead to 9.5 games, their largest margin since 2013.

At 79-34 (.699), the Red Sox are on a 113-win pace. Even if they go 24-25 the rest of the way, they would surpass the 1978 team’s win total of 99 — still a Bucky Dent homer short of what they needed — for the franchise’s highest win total in the post-1960 expansion era, and they have a good chance of surpassing the highest winning percentages of their pre-expansion forebears:

A recently as July 1, when they were fresh off losing two out of three in the Bronx, Boston (then 56-29) was in a virtual tie with their pinstriped foes (54-27) for at the AL East lead; the two teams owned the top two records in all of baseball. Since then, the Red Sox have gone 22-6, the Yankees just 15-14. A picture is worth a thousand words:

To be fair, the Red Sox have played the cushier schedule of the two teams since that point, with their three-game series against the Nationals from July 2-4 their only games against a team with a winning record until their July 30-31 pair with the Phillies. In between, they played the Royals, Rangers, Blue Jays, Tigers, Orioles and Twins – six of the seven worst teams in the league, a combined 144 games below .500 through Sunday — with a two-game split in Baltimore the only time they failed to win a series.

While they were luxuriating on that pillow-soft slate, the Yankees faced the Braves, Indians and Rays, and won just the first of those series; they also split six games with the Orioles and two with the Mets. That’s a tough way to catch up under the best of circumstances.

Neither lineup has been whole in this span. The Red Sox have been without Dustin Pedroia for all but three games this season in the aftermath of an experimental cartilage restoration procedure in his left knee, and Eduardo Núñez has been so bad that he (and Brock Holt) topped the second base list in my Replacement-Level Killers series. The catching tandem of Christian Vazquez and Sandy Leon also earned a spot among the Killers even before Vazquez suffered a fractured right pinky that required surgery. Likewise for third baseman Rafael Devers, who first missed time due to left shoulder inflammation and then went back on the DL in late July due to a left hamstring strain. Even Ian Kinsler, who was acquired from the Angels on July 30 in order to shore up the keystone, got in on the injury racket by straining his hamstring in his third game for the Sox. Boston also lost starter Eduardo Rodríguez to an ankle sprain just before the All-Star break, and has been without Chris Sale since July 27 due to shoulder inflammation.

On the other side, the Yankees began this stretch without catcher Gary Sanchez, who has been scuffling for most of the season. After being sidelined from June 25 until July 20 with a groin strain, he played in just two games before reinjuring himself, but not before a dumb, only-in-New-York controversy involving his apparent lack of effort in chasing down a passed ball (the point at which he apparently re-aggravated the groin) and then grounding into a game ending force out. Second baseman Gleyber Torres suffered a right hip strain on July 4, sidelining him for three weeks, and then, most devastatingly, Aaron Judge suffered a chip fracture in his right wrist when he was hit by a Jakob Junis pitch on July 26.

Masahiro Tanaka missed a month due to bilateral hamstring strains from running the bases during an interleague game; he returned on July 10. On top of all this, J.A. Happ, whom the Yankees acquired from the Blue Jays on July 26 with an eye towards his career-long success in Fenway Park, missed this weekend’s series because, like the Mets’ Noah Syndergaard, he came down with a case of hand, foot and mouth disease. Chance Adams, who was recalled from Scranton/Wilkes-Barre to make his major league debut in his stead, gave the Yankees a five-inning, three-run performance that simply wasn’t enough opposite Eovaldi’s eight shutout innings.

Judge has been the Yankees’ most productive hitter all season, hitting .285/.398/.548 for a 157 wRC+, good for the fifth highest wRC+ in the league. From July 2 until he went down, he was humming along at a similar clip, but remarkably, four Sox hitters have been even hotter in that span:

The Yankees have gotten average-or-better production at every position besides catcher and first base during that span — and it just hasn’t been enough to keep up with the Sox. Pearce, acquired from the Blue Jays for High-A infielder Santiago Espinal on June 28, has clubbed five homers in just 71 PA since the trade, tied with Betts for second on the team behind Martinez’s eight. In other words, he’s even hotter than the players who have ranked second and third in the league in wRC+ overall this year. Those scorching performances have helped to offset the replacement-level ones at second base and catcher, though of course it was Leon’s 10th inning single off Jonathan Holder — just his fourth hit in 34 at-bats since the All-Star break — that turned into the winning run on Sunday night. Everything’s coming up Milhouse.

While there’s been only a slight separation between the two teams on the offensive side, the separation has been massive as far as the rotations go:

Sixty-four percent of the innings thrown by Yankees starters in this span have gone to pitchers hit for ERAs well above 5.00. Most glaringly, Severino has failed to last six innings in any of his last five starts while allowing eight home runs, likely ending his Cy Young hopes. Sabathia has apparently run out of gas, and Gray, an enigma since being acquired from the A’s at the 2017 non-waiver deadline, has pitched his way to the bullpen; his next turn will be taken by July 31 acquisition Lance Lynn.

On the other side, both Sale and Rodriguez were stellar within this stretch before landing on the DL, and Eovaldi picked an outstanding moment in which to put together back-to-back scoreless starts for the first time in his career. As a group, the Sox starters have a home run rate that’s half that of the Yankees (0.9 per nine versus 1.8) while striking out more (9.6 per nine to 8.6) and walking fewer (2.4 per nine to 3.4). Good morning, good afternoon, good night.

I’ll spare you the bullpen table, but where it had tilted towards the Yankees prior to this series (a 3.13 ERA/3.32 FIP ERA versus a 3.87 ERA/3.42 FIP),
it’s now tilted towards the Sox, thanks to the work they did this weekend: 3.79 ERA/3.57 FIP to 4.08 ERA/3.50 FIP. Much of the damage on the pinstriped front owes to Thursday night’s debacle, when manager Aaron Boone pulled Sabathia after three innings and two runs allowed, then sat on his hands as Holder, who entered the night with a 2.06 ERA and 2.52 FIP, allowed seven straight batters to reach base, serving up four extra-base hits including one of Pearce’s homers. Boone then called upon Chad Green, who retired just two of the five hitters he faced. By the time the dust had settled, a 4-2 lead had turned into a 10-4 deficit, and that was before Cessa, who had retired Pearce with runners on the corners to end the frame, allowed five garbage-time runs in his next three innings. As for Sunday, while Aroldis Chapman has looked wobbly lately due to left knee tendinitis, with a 6.10 ERA and eight walks (but 22 strikeouts) in 10.1 innings dating back to June 25, it was only his second blown save of the season.

Both Boston’s Dave Dombrowski and New York’s Brian Cashman were active in the days and weeks leading up to the July 31 deadline, with the former adding Pearce, Kinsler and Eovaldi and the latter Zach Britton, Happ and Lynn. Playoff odds-wise, none of what they did had much effect because the two teams are so far ahead of the pack; per Dan Szymborski’s ZiPS projections, the Yankees’ moves added about one percentage point to their chances of winning the division at the expense of the Red Sox, but those chances are now less than a third of what they were less than a week later because of the Boston trouncing.

It’s not that the Yankees are a bad team — they’re still projected to win 99 games this year. But right now, 99 wins in the AL East gets you a set of steak knives and a date with either the A’s or the Mariners in the Coin Toss Game. This Red Sox team has gotten hot at the right time, and they’ve left the Yankees eating their dust.