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Pirates vs Mariners Prediction 6/25/26 MLB Picks Today

Seattle Mariners (41-40) vs. Pittsburgh Pirates (40-40)
June 25, 2026 12:35 pm EDT
The Line: Pittsburgh Pirates 119 / Seattle Mariners -143; Over/Under: 8.5
(Get latest betting odds)

The Seattle Mariners and Pittsburgh Pirates meet Thursday in MLB action at PNC Park. Here’s a Pirates vs Mariners Prediction. This article will include a Pirates vs Mariners Pick.

Seattle Mariners Betting Preview

The Seattle Mariners are 41-40 on the year and play the Guardians and Angels next. The Seattle Mariners are batting. 231 on the season, have a .311 OBP, and have a .386 slugging percentage. The Seattle Mariners’ pitching staff has a 3.69 ERA and a 1.19 WHIP. Julio Rodriguez leads the Seattle Mariners with 79 hits and 38 RBI, while Josh Naylor and Randy Arozarena have combined for 151 hits and 66 RBI.

Bryce Miller gets the ball for the Seattle Mariners, and he is 3-1 with a 1.58 ERA and 43 strikeouts this season. This will be Miller’s first career game against the Pittsburgh Pirates.

Pittsburgh Pirates Betting Preview

The Pittsburgh Pirates are 40-40 on the year and play the Reds and Phillies next. The Pittsburgh Pirates are batting .257 on the season and have a .336 OBP and a .411 slugging percentage. The Pittsburgh Pirates’ pitching staff has a 4.12 ERA and a 1.30 WHIP. Bryan Reynolds leads the Pittsburgh Pirates with 83 hits and 52 RBIs, while Brandon Lowe and Nick Gonzales have combined for 154 hits and 84 RBIs.

Bubba Chandler gets the ball for the Pittsburgh Pirates, and he is 2-7 with a 4.62 ERA and 69 strikeouts this season. This will be Chandler’s first career game against the Seattle Mariners.

Why the Pittsburgh Pirates will win

  • The Pirates have won three of their last four games as home underdogs against American League opponents.
  • The Mariners have lost six of their last nine games as favorites after playing the previous day.
  • The Pirates have covered the run line in each of their last six games as home underdogs against American League opponents.
  • The Mariners have failed to cover the run line in each of their last six day games against National League opponents.
  • The Mariners have trailed after 5 innings in each of their last four road games.
  • The Pirates have won the first inning in five of their last six day games against American League opponents that held a winning record.
  • The Pirates have led after 3 innings in each of their last six games as home underdogs against American League opponents.

Why the Seattle Mariners will win

  • The Mariners have won seven of their last eight games against NL Central opponents.
  • The Pirates have lost seven of their last eight day games against AL West opponents that held a winning record.
  • The Mariners have covered the run line in each of their last five road games against NL Central opponents following a loss.
  • The Pirates have failed to cover the run line in five of their last six games as home underdogs against AL West opponents following a home win.
  • The Pirates have trailed after 3 innings in four of their last five games.
  • The Pirates have trailed after 5 innings in four of their last five games as underdogs.

Total Runs Facts

  • Each of the Mariners’ last five road games after playing the previous day has gone OVER the total runs line.
  • Each of the Pirates’ last four games as underdogs against the Mariners has gone UNDER the total runs line.
  • There has been at least one run scored in the first inning in seven of Bubba Chandler’s last eight appearances as a starter.
  • There has been no run scored during the first inning in each of Bryce Miller’s last four appearances as a starter.

Pittsburgh Pirates Player Prop Facts

  • Bryan Reynolds has hit a home run in each of the Pirates’ last two day games.
  • Bubba Chandler has recorded five or more strikeouts in four of his last five appearances against opponents that held a winning record.
  • Bryan Reynolds has recorded at least one hit in each of the Pirates’ last 14 games.
  • Bryan Reynolds ranks 5th amongst qualified players for On Base Percentage (.404) this season.

Seattle Mariners Player Prop Facts

  • Cal Raleigh has hit a home run in each of the Mariners’ last two games as road favorites against the Pirates.
  • Bryce Miller has recorded six or more strikeouts in each of his last four appearances.
  • Cole Young has recorded at least one hit in each of the Mariners’ last 12 day games.
  • Bryce Miller has recorded a win in each of his last five appearances against NL Central opponents.
  • Randy Arozarena ranks T6th in the league in Steals (19) this season.

Matchup/League Facts

  • The Pirates rank T1st in the league for hits this season (712).
  • The Pirates rank 3rd in the league for RBIs this season (386).
  • The Mariners rank 1st in the league for walks allowed this season (208).
  • The Mariners rank 29th in the league for doubles this season (101).

Pirates vs Mariners Prediction

The Mariners should be able to take advantage of Chandler on the mound, as he’s been riding the struggle bus with a 4.62 ERA and 1.38 WHIP. Chandler has allowed 16 hits and 10 earned runs in his last 22 innings. At home through 29 innings, Chandler has a 5.28 ERA. Miller has seen 40 innings this season and has a 1.58 ERA and 0.70 WHIP. Miller has allowed 9 hits and 3 runs in his last 24 innings. He’s in fantastic form. Quick turnarounds usually favor the home team, but the Mariners need this game and have a clear edge on the bump. The price is reasonable. Give me the M’s on the road.

Randy Chambers's Free Pick: Seattle Mariners -143

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Randy Chambers

Randy has covered sports betting since 2014 and writes about everything from NFL to WNBA. Follow Randy Chambers on Twitter.

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