Mariners vs Red Sox Prediction 6/19/26 MLB Picks Today
Boston Red Sox (29-43) vs. Seattle Mariners (39-37)
June 19, 2026 10:10 pm EDT
The Line: Seattle Mariners -131 / Boston Red Sox 108; Over/Under: 7
(Get latest betting odds)
The Boston Red Sox and Seattle Mariners meet Friday in MLB action at T-Mobile Park. Here’s a Mariners vs Red Sox Prediction. This article will include a Mariners vs Red Sox Pick.
Boston Red Sox Betting Preview
The Boston Red Sox are 29-43 on the year and play the Rockies and Yankees next. The Boston Red Sox are batting .244 on the season, have a .313 OBP, and have a .382 slugging percentage. The Boston Red Sox pitching staff has a 3.92 ERA and a 1.28 WHIP. Wilyer Abreu leads the Boston Red Sox with 76 hits and 34 RBI, while Ceddanne Rafaela and Willson Contreras have combined for 144 hits and 76 RBI.
Ranger Suarez gets the ball for the Boston Red Sox, and he is 2-3 with a 3.21 ERA and 70 strikeouts this season. Suarez is 2-0 with a 1.42 ERA and 17 strikeouts in his career against the Seattle Mariners.
Seattle Mariners Betting Preview
The Seattle Mariners are 39-37 on the year and play the Guardians and Pirates next. The Seattle Mariners are batting. 236 on the season, have a .316 OBP, and have a .394 slugging percentage. The Seattle Mariners’ pitching staff has a 3.62 ERA and a 1.18 WHIP. Randy Arozarena leads the Seattle Mariners with 76 hits and 33 RBI, while Cole Young and Julio Rodriguez have combined for 146 hits and 69 RBI.
Bryce Miller gets the ball for the Seattle Mariners, and he is 3-0 with a 1.54 ERA and 36 strikeouts this season. Miller is 0-3 with an 8.22 ERA and 14 strikeouts in his career against the Boston Red Sox.
Why the Seattle Mariners will win
- The Red Sox have lost seven of their last eight road games against AL West opponents following a loss.
- The Mariners have won five of their last six home games against AL East opponents that held a losing record.
- The Red Sox have failed to cover the run line in seven of their last eight road games against AL West opponents following a loss.
- The Mariners have covered the run line in four of their last five home games against AL East opponents that held a losing record.
- The Red Sox have trailed after 3 innings in each of their last four games.
- The Red Sox have lost the first inning in each of their last four road games against AL West opponents.
- The Red Sox have trailed after 5 innings in each of their last four games.
Why the Boston Red Sox will win
- The Mariners have lost seven of their last eight games as favorites against the Red Sox following a home win.
- The underdogs have won three of the Red Sox’s last four games.
- The Mariners have failed to cover the run line in each of their last eight games against the Red Sox following a home win.
- The road team has covered the run line in each of the Red Sox’s last four games.
- The Red Sox have led after 5 innings in five of their last six games at T-Mobile Park against opponents that held a winning record.
- The Mariners have trailed after 3 innings in 10 of their last 13 games as favorites against AL East opponents.
Total Runs Facts
- Eight of the Red Sox’s last nine night games as underdogs have gone UNDER the total runs line.
- Five of the last six games between the Red Sox and Mariners at T-Mobile Park have gone UNDER the total runs line.
- There has been at least one run scored in the first inning in each of the Red Sox’s last seven road games against AL West opponents.
- There has been at least one run scored in the first inning in 17 of the Mariners’ last 19 games as home favorites against American League opponents.
Seattle Mariners Player Prop Facts
- Cal Raleigh has hit a home run in four of the Mariners’ last seven home games against AL East opponents that held a losing record.
- Julio Rodriguez has recorded at least one hit in each of his last 18 home appearances against AL opponents.
- Bryce Miller has recorded a win in three of his last four appearances.
- Bryce Miller has recorded five or more strikeouts in 11 of his last 12 home appearances against AL opponents that held a losing record.
Boston Red Sox Player Prop Facts
- Ranger Suarez has recorded six or more strikeouts in each of his last five appearances with his team as a road underdog against AL opponents.
- Willson Contreras has recorded at least one hit in each of the Red Sox’s last eight games against AL West opponents.
- Triston Casas has hit a home run in each of his last three appearances in night games against AL West teams that held a winning record.
Matchup/League Facts
- The Mariners rank 1st in the league for walks allowed this season (196).
- The Mariners rank 28th in the league for doubles this season (97).
- The Red Sox rank 30th in the league for RBIs this season (271).
- The Red Sox rank 29th in the league for runs scored this season (282).
Mariners vs Red Sox Prediction
The Red Sox are having a terrible week, which is piling on to an awful season. I doubt things change when having to fly across the country. The Mariners have played their best ball at home, and they’re healthier than they’ve been in past weeks. Also, Miller has been dealing through 35 innings with a 1.54 ERA and 0.71 WHIP while averaging a strikeout per inning. Miller has allowed just 5 hits and 2 runs in his last 14 innings. Miller has allowed 11 hits and 4 runs in his last 24 innings. He has yet to allow a run in 10.2 home innings. Give me the Mariners.