Connelly Early takes the mound for Boston. The 24-year-old left-hander carries a 3.64 ERA in 81.2 innings, and his ceiling is real. His last start was a 6.0 IP, 1 ER, 7 K gem against Seattle, showing what he looks like when everything clicks. But his floor is just as real. The two starts before that: 4.2 IP, 6 ER against Texas, and 4.2 IP, 2 ER against Tampa Bay. In his lone 2026 appearance against New York on April 21, he lasted 5.1 innings and gave up 3 earned runs. He has surrendered 14 home runs in 81.2 innings, a 1.54 HR/9 rate that matters at Fenway. The Green Monster inflates pitch counts via gap doubles, and if Early is chased before the sixth inning, the Boston bullpen carries a 4.03 ERA and is anchored by Justin Slaten, who is 0-4 on the season and surrendered 2 runs in the eighth inning against Colorado just two days ago.

The lineup matchup here is asymmetric in every direction. Paul Goldschmidt carries a 1.305 OPS against left-handed pitching, his most explosive platoon split, and he has gone 14-for-41 with 5 home runs over his last 10 games. Ben Rice sits at .286 with 22 home runs and a 1.050 OPS against right-handed pitching this season. Both right-handed bats step into the Early matchup with real power. On the Boston side, the BvP data against Schlittler reads like a shutdown performance: Jarren Duran at 0.286 OPS in 7 plate appearances, Masataka Yoshida at 0.000 OPS in 5 plate appearances, Caleb Durbin at 0.000 OPS in 5 plate appearances. Durbin is also listed as day-to-day with a finger injury, having been Boston's hottest hitter with an 11-for-35 stretch over his last 10 games. If he sits, Boston loses the one bat in form against an arm that already owns him.

Boston just returned from a Coors Field road trip that ended in a walk-off loss to Colorado on June 24. As Kyle Freeland noted after that game: "Guys, especially the young guys, are learning that we play 27 outs for a reason, and you can't take any out for granted." That lesson echoes here. Fenway Park carries a runs factor of 1.06, nudging totals slightly upward, while the home run factor of 0.96 suppresses balls hit to left. The Green Monster creates doubles, not home runs, which matters more for Boston's hitters trying to chase Schlittler than it does for the Yankees' power bats going after a 1.54 HR/9 left-hander. The Yankees are 4-1 against Boston this season, outscored them 19-3 across three April games in Boston, and carry a run differential of +113 into tonight.

• Schlittler has allowed 2 earned runs in 13.2 innings against Boston in 2026 alone. The Red Sox are batting .159 against him in 63 career at-bats. This is a documented pattern across multiple seasons, not a small-sample illusion.
• Boston ranks last in MLB with 301 runs scored and 3.9 runs per game. Against a starter who walks fewer than 2 batters per 9 innings, the offense has no free-pass escape valve. Walks are how limited lineups survive elite starters. Schlittler removes that option entirely.
• Early's floor is dangerously low: two consecutive abbreviated outings of 4.2 IP bracket his one strong Seattle start. He has surrendered 14 home runs in 81.2 innings (1.54 HR/9), and a Yankees lineup posting .766 OPS and 5.1 runs per game will test him immediately at Fenway.
• Goldschmidt's 1.305 OPS against left-handed pitching is the sharpest platoon edge on the field tonight. Paired with Early's recent struggles and elevated home run rate, it is the clearest individual prop angle in this game.
• Boston enters this series with a 12-25 home record, 13 players on the IL, and a 3-7 mark over their last 10 games. Their depth is thin, their run-production floor against an elite right-hander is historically low, and their bullpen has been exposed in consecutive series.
• Schlittler gets the ball on 6 days rest, fully fresh, against the one offense he has owned all season. Early goes on standard 5 days. The rest edge is minor, but the situational weight compounds everything else.

The player prop picture reinforces the same central narrative. Schlittler Over 6.5 strikeouts at +106 is mispriced against a lineup where Yoshida, Duran, Durbin, and Gasper are all at 0.000-to-0.286 OPS against him in 2026 BvP data. Goldschmidt Over 1.5 total bases at -101 captures the platoon advantage cleanly against a left-hander prone to home runs. The caveat worth noting before first pitch: Durbin's availability matters. If he suits up healthy, he is Boston's one recent bright spot against this exact pitcher in terms of game-to-game form, even if his 0-for-5 BvP numbers say otherwise. Check the lineup card before 7:10 ET. Beyond that, the setup here is as clean as tonight's slate offers.

For the full slate, see our MLB picks today, NRFI picks, and player props.