- Matchup: Seattle Mariners vs Pittsburgh Pirates
- Scheduled Date: Tuesday, June 23, 2026
- Venue: PNC Park, Pittsburgh, PA
- Broadcast: SportsNet Pittsburgh
- Betting Odds: Seattle (-145) Pittsburgh (+125)
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The Seattle Mariners (40-39) are set to travel to PNC Park on Tuesday to face off against the Pittsburgh Pirates (39-39). The sportsbooks have assigned the Mariners a line of -145 while the Pirates are positioned at +125. The total for over/under is set at 8 runs, with George Kirby and Mitch Keller as the starting pitchers.
The Mariners have recorded 98 doubles and 98 home runs as a unit this season. Currently, Seattle has a slugging percentage of .387 and has faced 669 strikeouts while earning 266 walks. This team averages 4.1 runs per game, placing them 22nd in the league. They have amassed 317 RBIs and 606 hits, resulting in a batting average of .232 and an On-Base Percentage (OBP) of .313, alongside a total of 326 runs.
The Mariners boast a stellar team ERA of 3.62, ranking 5th in the MLB, while their pitchers have recorded 692 strikeouts. Seattle’s staff has allowed 77 home runs and 309 runs this season (7th in MLB). They have issued 202 walks, with a FIP of 3.59. Additionally, they have permitted 626 hits (8.0 per 9 innings) and 283 earned runs, showcasing a strikeout-to-walk ratio of 3.43 and a WHIP of 1.18.
This season, Mariners pitchers have entered games with runners on base 60 times and appeared in high-leverage situations 88 times. The bullpen has managed 44 holds (12th in MLB) and a save rate of 59.4%, covering 77 save opportunities. Out of 32 chances, they’ve recorded 19 saves while blowing 13. This season, the Mariners’ relief pitchers have inherited 82 runners, with 23.2% scoring. A total of 238 relievers have taken the mound for them this year.
Seattle’s defense has converted 69.8% of all balls in play into outs, ranking 18th in the league across 6,327 innings. The Mariners have achieved 2,109 putouts, 635 assists, and committed 36 errors, holding a fielding percentage of .987 and tallying 73 double plays.
George Kirby has pitched 727 innings, accumulating 700 strikeouts in his MLB career. With a career record of 50-41, he has a FIP of 3.60, facing 2,976 batters. His ERA is 3.65 (295 earned runs) and he carries a WHIP of 1.137, with 713 hits allowed (8.8 hits per 9 innings) alongside 114 walks.
The Pirates are enjoying a team slugging percentage of .409 and scoring an average of 5.01 runs per game, placing them 5th in the league. They have tallied 119 doubles, earned 293 walks, and scored 391 runs this season. Pittsburgh has hit 94 home runs, coupled with 374 RBIs and has struck out 720 times (2nd in the league) with 688 hits this season. Their OBP stands at .335 and batting average is .255.
Pittsburgh’s pitching staff has a WHIP of 1.306 and team FIP of 3.91, ranking 16th in total hits allowed (625). This season, they’ve yielded 377 runs with a team ERA of 4.18 (324 earned runs). The strikeout-to-walk ratio is 9.20 (711 strikeouts versus 287 walks), and they’ve surrendered 75 home runs, allowing 4.86 runs per 9 innings (20th league-wide).
Ranked 27th in save rate at 50.0%, the Pirates have utilized 249 different relievers this season. Their bullpen has entered high-leverage situations 69 times while displaying 73 appearances with runners on base. With 68 save situations, the Pirates achieved 35 holds but have also experienced 16 blown saves, finishing with 16 saves in 32 opportunities. Their relief pitchers have permitted 31.7% of 101 inherited runners to score.
The Pirates’ defense has secured 58 double plays with a .982 fielding percentage (27th in professional baseball). They have 634 assists, 50 errors, and 2,096 putouts this season. Their defensive efficiency is 69.1% across 6,288 innings, ranking 24th in MLB.
Throughout his career, Mitch Keller has allowed 992 hits with 902 strikeouts over 960 innings pitched. With a career record of 47-69, he owns a 4.55 ERA and has permitted 9.3 hits per nine innings, surrendering a total of 485 earned runs. His WHIP stands at 1.377 and FIP at 4.5, maintaining a K/BB ratio of 2.73 across 4,171 faced batters in his MLB journey.
Who will claim victory in tonight’s MLB clash against the spread or moneyline?
Prediction: Go with Seattle (-145)
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