Seattle Mariners vs Cleveland Guardians Prediction 6/28/2026 Today’s MLB Picks

In this article, we will formulate a Mariners vs Guardians Prediction for this MLB matchup on Sunday, June 28th in the third game of this series. Let’s take a look at the prediction for this MLB matchup.

Cleveland Guardians Preview

The Cleveland Guardians have a 43-40 record this season and are sitting in the 2nd place of the AL Central. They have a 20-18 home record and are coming off a 4-3 home win against the Mariners. They will face the Rangers and the White Sox next.

The Guardians have a .227 batting average this season, .311 OBP and .364 Slugging percentage. Cleveland’s pitching staff has a 3.78 ERA and 1.26 WHIP. Brayan Rocchio is the team’s best hitter with a .269 batting average, also leading the team in RBI with 34. Angel Martinez adds a team-high 11 home runs.

Gavin Williams (R) is the projected starting pitcher for the Guardians, and he has a 9-4 record, 3.82 ERA and 1.14 WHIP.

Seattle Mariners Preview

The Seattle Mariners have a 42-42 record this season and are sitting in the 1st place of the AL West. They have a 20-23 road record and are coming off a 3-4 road defeat against the Guardians. They will face the Angels and the Blue Jays next.

The Mariners have a .231 batting average this season, .311 OBP and .384 Slugging percentage. Seattle’s pitching staff has a 3.68 ERA and 1.18 WHIP. Randy Arozarena is the team’s best hitter with a .288 batting average. Julio Rodriguez leads the team in RBI with 39, while Luke Raley adds a team-high 14 home runs.

Emerson Hancock (R) is the projected starting pitcher for the Mariners, and he has a 5-4 record, 3.60 ERA and 1.02 WHIP.

Seattle Mariners @ Cleveland Guardians Betting Trends: June 28, 2026

• Probable Starting Pitcher: Gavin Williams      Record this season: 9-4      ERA: 3.82
• Home Record: 4-1
• Last 5 against Mariners: 1-1

Why the Cleveland Guardians will win

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

• Probable Starting Pitcher: Emerson Hancock      Record this season: 5-4      ERA: 3.60
• Road Record: 3-2
• Last 5 against Guardians: 3-0

Why the Seattle Mariners will win

• The Guardians have lost seven of their last eight games as favorites after playing the previous day.
• The Mariners have won five of their last six games as underdogs against the Guardians following a loss.
• The Guardians have failed to cover the run line in each of their last 14 games as favorites.
• The underdogs have covered the run line in each of the Guardians’ last 13 games at Progressive Field.
• The Mariners have led after 3 innings in five of their last six day games against American League opponents.
• The Mariners have led after 5 innings in four of their last five day games against American League opponents.

Total Runs Facts

• Seven of the Mariners’ last eight games as underdogs against American League opponents have gone UNDER the total runs line.
• Each of the Guardians’ last four games have gone UNDER the total runs line.
• There has been at least one run scored in the first inning in seven of the Guardians’ last eight games as home favorites against American League opponents.
• There has been no run scored during the first inning in four of the Mariners’ last five games as underdogs against AL Central opponents.

Cleveland Guardians Player Prop Facts

• Gavin Williams has recorded a win in three of his four previous home appearances against AL West opponents.
• Gavin Williams has recorded eight or more strikeouts in nine of his last 12 home appearances against AL opponents.
• Kahlil Watson has recorded at least one hit in each of the Guardians’ last five games.
• Rhys Hoskins has hit a home run in three of his nine previous appearances against the Mariners.
• Gavin Williams ranks T2nd in the league for Wins (9) this season.

Seattle Mariners Player Prop Facts

• Randy Arozarena has hit a home run in three of the Mariners’ last four games against AL opponents that held a winning record.
• Emerson Hancock has recorded a win in each of his last three road appearances against AL opponents.
• J.P. Crawford has recorded at least one hit in each of his last 13 appearances in day games against AL Central teams that held a winning record.
• Randy Arozarena ranks T6th in the league in Steals (19) this season.

Matchup/League Facts

• The Guardians rank 30th in the league for slugging percentage this season (.363).
• The Guardians rank 29th in the league for hits this season (616).
• The Mariners rank 1st in the league for walks allowed this season (210).
• The Mariners rank 29th in the league for doubles this season (104).

Mariners vs Guardians Prediction

Both teams are tied 5-5 in their last 10 meetings and are 2-2 in their last 4 meetings in Cleveland.

In this Mariners vs Guardians Prediction, the Guardians are coming as -115 home favorites. I am with the Guardians in this one with Gavin Williams on the mound, who has been elite at home, with a 4-1 record and 2.64 ERA. On the flip side, Hancock has been struggling lately with 11 earned runs in his last two starts and the Mariners have been ranking just 27th in the last 10 days against right-handed pitching. Take the Guardians to win this one at home.

Nikos Lagouretos's Pick: Cleveland Guardians ML