Seattle Mariners vs Cleveland Guardians Picks and Prediction for Sunday June 28 2026

By: Kim Smith Published 06/28/2026, 12:20 AM ET
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The Seattle Mariners and Cleveland Guardians continue their series at Progressive Field in Cleveland, Ohio, on Sunday, June 28, 2026. First pitch is scheduled for 1:40 PM ET with television coverage available on MLB.TV. At the time of this writing the odds were not released. ESPN Analytics gives the Mariners a 46.9 percent chance to win, while the Guardians hold a slight edge at 53.1 percent. Be sure to check out our free MLB Picks.

Starting Pitchers Ready for an Important Matchup

George Kirby is scheduled to start for Seattle with a 6-7 record, a 3.94 ERA, a 1.33 WHIP, 96.0 innings pitched, 105 hits allowed, 84 strikeouts, 23 walks, and 9 home runs allowed. Gavin Williams gets the ball for Cleveland, entering with a 9-4 record, a 3.82 ERA, a 1.14 WHIP, 96.2 innings pitched, 79 hits allowed, 111 strikeouts, 31 walks, and 15 home runs allowed. Both starters have worked nearly identical innings this season, but Cleveland's starter carries the better record, WHIP, and strikeout total.

Seattle Seeks Another Strong Road Performance

Seattle comes into the game with a 42-41 overall record and a 20-22 mark away from home. The Mariners recently defeated Cleveland, recently lost twice to Pittsburgh, and recently earned wins over Pittsburgh and Boston. That gives Seattle three victories in its last five games and a chance to build on its most recent success.

The Mariners are batting .231 with 334 runs, 633 hits, and 101 home runs while posting a .311 on-base percentage and a .384 slugging percentage. Their pitching staff has compiled a 3.68 ERA and a 1.18 WHIP while allowing opponents to hit .240. Seattle has also recorded 729 strikeouts with 210 walks and owns a 17-14 record in day games.

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Seattle's biggest strength is its pitching staff. The Mariners have the lower ERA and WHIP compared to Cleveland while also issuing fewer walks. Even though the offense has produced a modest batting average, the combination of quality pitching and more home runs gives Seattle a balanced profile entering this matchup.

Cleveland Tries to Defend Home Field

Cleveland enters Sunday with a 42-40 overall record and a 19-18 home record. The Guardians recently lost to Seattle after splitting a road series with Chicago that included one extra-inning victory. Before that, Cleveland also dropped a close game to Houston. The recent results show several tightly contested games as the Guardians look to finish the series on a positive note.

The Guardians are batting .227 as a team with 321 runs, 609 hits, and 75 home runs. They own a .311 on-base percentage and a .364 slugging percentage. Their pitching staff has produced a 3.78 ERA with a 1.26 WHIP while holding opponents to a .236 batting average. Cleveland has also totaled 752 strikeouts with 270 walks and is 15-15 in day games.

The biggest advantage for Cleveland is its ability to limit opposing hitters. The Guardians have the lower opponent batting average and have generated more strikeouts than Seattle. Combined with the slightly better matchup predictor percentage and a strong starting pitching matchup, Cleveland has several statistical advantages heading into Sunday.

Seattle Mariners vs Cleveland Guardians Picks and Prediction

Seattle Mariners vs Cleveland Guardians Pick

  • Pick: Cleveland Guardians Moneyline

Cleveland is my pick because the Guardians have the slight edge in the matchup predictor, the better overall record, and the stronger starting pitching profile based on the supplied numbers. Seattle has performed well on the mound this season and already owns a win in the series, but Cleveland's combination of pitching statistics and home field gives the Guardians a narrow advantage.

Seattle Mariners vs Cleveland Guardians Total Pick

  • Take the under if the total is set at 7.5.

I like the under because both teams have team ERAs below 4.00, and both starting pitchers enter with ERAs below 4.00 as well. Seattle owns a 3.68 team ERA, Cleveland is at 3.78, and both clubs have consistently limited opponents throughout the season. Those numbers point toward a game where runs could be difficult to come by.

Final Score Prediction: Cleveland Guardians 4 – Seattle Mariners 3

This prediction was written before the completion of game play on Saturday.

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