Boston Red Sox vs Seattle Mariners Prediction and Pick, MLB Betting Picks, 6-20-2026

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Boston Red Sox vs Seattle Mariners Prediction – 6-20-2026 – MLB Betting Picks

The Boston Red Sox as a unit are scoring 3.9 runs per game, which ranks 29th in baseball. They have scored 282 runs and have an OBP of .313. The Red Sox have knocked 61 baseballs out of the park and have compiled 126 doubles as a team. They’ve scored 271 runs this season and have an OBP of .244. The Giants own a team SLG% of .420 and they average 4.33 runs per contest (17th in MLB). Boston has a slugging percentage of .382 and have struck out 593 times, while collecting 209 walks.

Their K/BB ratio is 2.80 and the pitching staff has a WHIP of 1.28. Red Sox pitchers have allowed 80 home runs and 295 runs (6th in MLB). Boston has given up 598 hits (8.5 per 9 innings) and 277 earned runs. The Red Sox have a collective ERA of 3.92 on the year (9th in the league), and their staff has struck out 604 batters. Their FIP as a unit is 3.99 They’ve walked 216 opposing hitters and their FIP as a unit is 3.99.

This season, the Red Sox have sent 220 relief pitchers to the mound. Relievers have taken over for 86 baserunners this year, and 32.6% of those runners have scored. The relievers have 34 holds so far this year (20th in baseball). Boston pitchers have come into the game with runners on base 59 times and have made 60 outings in high-leverage situations. They have 15 saves this season, and have blown 6 of their 21 save opportunities. The Red Sox relief pitchers have a save percentage of 71.4% and have come into the game in 56 save situations.

On the diamond, the Red Sox rank 22nd in the majors in converting 69.5% of balls in play into outs out of 5,718 innings. The Boston Red Sox have turned 605 assists and 34 errors so far this season. The Red Sox have turned 605 assists and 34 errors so far this season, as well as 1,906 putouts. Their fielding percentage is .987, which ranks them 15th in baseball, and they have recorded 44 double plays.

Early has a 3.48 FIP versus 406 batters in the majors (6-7 career win-loss record). He’s given up 88 base hits (8.4 hits per nine innings) and 33 walks. He’s got a 3.53 ERA (37 ER’s allowed) and a 1.283 WHIP. Early has thrown 94 innings in his MLB career and has 101 punch outs to his name.

The Mariners have a team SLG% of .394 and are scoring 4.21 runs per game (20th in MLB). They’ve notched 97 doubles, 257 free bases, 320 runs. Seattle has hit 96 homers and driven in 311 runs on the season. They have struck out on 647 occasions (8th in the league) and have a total of 596 hits. The Seattle Mariners have a team OBP of.316 as well as a.236 batting average for the year.

The Mariners have a team WHIP of 1.185 and a team FIP of 3.62 thus far this season. As a pitching staff they are 18th in baseball in total hits allowed with 605. The Seattle pitching staff have given up 297 runs on the year and have a club ERA of 3.62 (272 earned runs surrendered). They have a strikeout to walk ratio of 8.70 (657 strikeouts/196 walks). They’ve given up 74 dinger and allow 3.95 runs per 9 innings (5th in the league).

The Mariners have 42 holds and 13 failed saves in 74 save opportunities. Seattle has asked relievers to go out there in 31 save chances and they have gotten 18 saves. Seattle relievers have a 20.5% inherited score percentage of 78 inherited base runners. Their relievers have been called upon 86 times in high leverage situations. They’ve had runners on base 58 times. They rank 22nd in MLB with a save percentage of 58.1% and they’ve had 230 bullpen pitchers get onto the field this season.

The Mariners have turned 69 double plays and have a .988 fielding percentage (11th in MLB). This season, the Mariners have recorded 612 assists, 33 mistakes and 2,028 putouts. The Mariners have a defensive efficiency of 69.9% (17th-best in the pro game) in 6,084 innings afield.

Hancock has given up 232 base hits while earning 184 strikeouts in 241 innings pitched in his MLB career. Hancock (13-12 career win-loss record) has a 4.32 ERA and gives up 8.6 hits per 9 innings. He’s allowed 116 earned runs while compiling a WHIP of 1.251 with a FIP of 4.3. He’s has a K/BB ratio of 2.63 and has faced 1,013 batters in his pro baseball career.

✅ Our Boston Red Sox vs Seattle Mariners Pick: Boston ✅

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Boston Red Sox vs Seattle Mariners Prediction and Pick, 6-20-2026, by YouWager.lv.

Boston Red Sox vs Seattle Mariners Prediction and Pick, MLB Betting Picks, 6-20-2026