San Francisco Giants vs Boston Red Sox Picks and Prediction for Sunday August 23, 2026

The San Francisco Giants will visit the Boston Red Sox at Fenway Park in Boston, Massachusetts, on Sunday, August 23, 2026. First pitch is scheduled for 3:15 p.m. ET with coverage on NBC. San Francisco enters at 52-76 overall and 23-43 on the road, while Boston is 69-59 overall and 32-32 at home. The Giants have dropped four of their last five games, while the Red Sox have won three of their last five and took the series opener 6-4. At the time of this writing the odds were not released. Bettors looking over Sunday's card can also check out our free MLB picks for more baseball predictions.

Starting Pitchers

San Francisco is expected to start Carson Whisenhunt, who enters at 3-4 with a 7.03 ERA and 1.84 WHIP over 32.0 innings. He has allowed 39 hits while recording 23 strikeouts against 20 walks and has surrendered five home runs. Boston counters with Jake Bennett, who is 7-6 with a 3.46 ERA and 1.07 WHIP across 80.2 innings. Bennett has allowed 69 hits while striking out 61 and walking 17, with six home runs surrendered. Boston owns a significant advantage in this starting-pitching matchup, particularly in ERA, WHIP and control.

Giants Continue to Struggle on the Road

San Francisco enters Sunday at 52-76 overall and has gone just 23-43 away from home. The Giants are 1-4 over their last five games and have lost two straight entering the weekend finale. Their recent stretch includes losses of 6-4, 5-2, 8-1 and 13-7, with only a 1-0 victory breaking up the slide.

The Giants are batting .247 with 517 runs, 1,074 hits and 141 home runs. They own a .305 on-base percentage and .405 slugging percentage. On the pitching side, San Francisco carries a 4.36 ERA and 1.36 WHIP while opponents are batting .247.

San Francisco's biggest concern is run prevention. The overall pitching numbers are already weaker than Boston's, and Sunday's projected starter enters with particularly poor ERA and WHIP marks. The Giants have enough offensive production to compete when they get opportunities, but their road record and pitching profile make it difficult to trust them in this matchup.

Red Sox Own the Clearer Overall Edge

Boston enters at 69-59 overall and sits seven games behind Tampa Bay in the American League East. The Red Sox are 32-32 at Fenway Park and have won three of their last five games. Their recent victories include offensive performances of nine and 11 runs, along with a 6-4 win over San Francisco in the series opener.

Boston is batting .251 with 581 runs, 1,075 hits and 132 home runs. The Red Sox carry a .324 on-base percentage and .406 slugging percentage. Their offensive power numbers are similar to San Francisco's, but Boston has been more efficient at reaching base and generating runs.

The larger difference comes from pitching. Boston owns a 3.53 team ERA and 1.22 WHIP while limiting opponents to a .239 batting average. Those numbers are substantially better than San Francisco's 4.36 ERA and 1.36 WHIP, and the starting-pitching matchup widens the gap even further.

San Francisco Giants vs Boston Red Sox Picks and Prediction

Pick: Boston Red Sox Moneyline

Boston is the preferred side. The Red Sox hold the better overall record, stronger recent form, superior team pitching numbers and a sizeable advantage in the projected starting matchup. San Francisco has struggled badly on the road and enters with a starter carrying a 7.03 ERA and 1.84 WHIP. Boston does not need an explosive offensive performance to control this game if its starting pitching performs near its season-long level. Take the Red Sox on the moneyline.

Pick: Over 8.5

Take the Over if the total is set at 8.5. San Francisco's projected starter creates the strongest reason to look high, with a 7.03 ERA and 1.84 WHIP in 32 innings. Boston has scored six or more runs in three of its last four games listed here, while the Giants have also allowed at least five runs in four of their last five. Boston's pitching advantage could limit San Francisco, but the Red Sox have a realistic path toward doing enough damage themselves to push this total Over.

Side Pick: Boston Red Sox Moneyline

Total Pick: Over 8.5

Game Preview completed prior to play on Saturday.