Boston Red Sox vs Seattle Mariners Prediction, 6/17/2025 MLB Picks, Best Bets & Odds
Game: Boston Red Sox vs Seattle Mariners
Date: Tuesday, June 17, 2025
Location: T-Mobile Park in Seattle, WA
TV: Root Sports Northwest
Odds/Point Spread: Boston (+120) Seattle (-144)
The Seattle Mariners (36-34) will play the Boston Red Sox (37-36) at T-Mobile Park on Tuesday. The moneyline on this game has Boston at +120 and Seattle is priced at -144. The total is 8. The expected starting pitchers are Walker Buehler and Bryan Woo.


Boston has a slugging % of .422 and have been called out on strikes 675 times, while drawing a walk on 253 occasions. They have 338 runs batted in in addition to 642 hits for the year, and their batting average is at .253. The Red Sox have compiled 141 doubles as a unit and have hit 89 baseballs out of the park. They have a total of 353 runs scored while having a team OBP of .328. As a team, the Boston Red Sox are knocking in 4.8 runs per game, which has them at 5th in the league.
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The Red Sox are sitting with a team earned run average of 3.96 so far this year (17th in MLB), and the staff has rung up 614 hitters. Red Sox pitchers have given up 71 home runs in addition to 331 runs in total (23rd in MLB). Their pitching staff has walked 241 opposing hitters and their FIP is 3.85 as a unit for the season. Boston has surrendered 626 base knocks (8.6 per 9 innings) and 290 earned runs. Their K/BB ratio is 2.55 and their pitching staff has recorded a WHIP of 1.32.
The Red Sox have sent 239 relief pitchers to the mound for the season. The relievers have inherited 96 base runners so far this season and 31.3% of those players crossed the plate. They have compiled 19 saves on the year and have blown 14 of their 33 save chances. The Red Sox relievers have recorded a save rate of 57.6% and have entered the game in 69 save situations. The bullpen have a total of 34 holds this season (25th in MLB). Red Sox relief pitchers have entered the game with opponents on base 73 times in addition to having 95 appearances in high leverage situations.
The Red Sox have converted 67.9% of balls in play into outs out of their 5,925 innings, which has them sitting at 26th in professional baseball. The Baltimore Orioles have a tally of 1,975 putouts this season, in addition to 673 assists and 64 errors. Their fielding percentage is holding steady at .976 which puts them in 29th in professional baseball, and they have turned 66 double plays.
Buehler (52-26 career record) holds a FIP of 3.35 and he has gone up against 3,146 opposing hitters in the major leagues. He has given up 647 hits (7.6 hits per nine innings) and has had 208 walks. His ERA is 3.40 (290 ER's allowed) and his WHIP is 1.113. Buehler has taken the mound for 768 innings and has 805 K's during his MLB career.
Seattle has accounted for 90 HRs this year as well as 298 RBIs. They have hit 93 doubles, while taking a walk 254 times and putting up 308 runs. The Seattle Mariners have earned an on-base percentage of .323 and a batting average of .243 for the season. The Mariners have a slugging percentage of .398 and they score 4.40 runs per game (12th in MLB). They have been called out on strikes on 618 occasions (8th in MLB) and have earned 581 hits.
The Seattle pitching staff have given up 310 runs this year and come in with a team ERA of 3.96 (279 earned runs surrendered). They have conceded 81 homers and they concede 4.40 runs per 9 innings (19th in baseball). The Mariners hold a team WHIP of 1.312 and are the owners of a FIP of 4.09 as a squad so far this year. They have earned a strikeout to walk ratio of 8.00 (567 strikeouts against 216 walks). They have a ranking of 22nd in the league as a staff in total hits conceded with 616.
Seattle has had relievers take the mound in 31 save opportunities and they have tallied 19 saves. They are ranked 19th in baseball with a save percentage of 61.3%, and they have sent 237 bullpen pitchers onto the diamond on the season. Their bullpen pitchers have come in 96 times in high leverage situations and also on 51 occasions with base runners. Seattle relievers hold an inherited score rate of 25.9% of 58 inherited base runners. With 65 save situations, the Mariners have recorded 34 holds in addition to 12 blown saves.
The Seattle Mariners have turned 61 double plays and have a fielding rate of .989 (4th in professional baseball). The Mariners have 613 assists, 28 errors and have a tally of 1,902 putouts on the campaign. In 5,706 innings on the field, the Mariners are sitting with a defensive efficiency of 69.4% (19th in pro baseball).
Woo (18-12 win-loss record in his career) is the owner of a 3.43 ERA and has surrendered 7.4 hits per 9 innings. His K/BB ratio is 4.75 and he has faced 1,169 opposing hitters in his MLB career. He has given up a total of 111 earned runs while holding a WHIP of 1.017 and having a FIP of 3.4. In his MLB career, Woo has given up 240 base knocks while he has earned 266 punch outs in 291 innings.
Who will win tonight's MLB game against the spread or moneyline?
Tony Sink's Pick: Take Boston (+120)
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Additional Resources:
Seattle Mariners - Twitter
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