The Cleveland Guardians host the Seattle Mariners on June 27, 2026. First pitch from Progressive Field is scheduled for 7:10 p.m. EDT. The game will be broadcast on SEAM.
The Mariners are favored by -148 on the moneyline and by -1.5 on the run line. The Guardians are +124 on the moneyline and +1.5 on the run line. The total is set at 7.5 runs.
Find my MLB picks and Mariners vs Guardians prediction below, as well as probable pitchers, weather report, and more.
Mariners vs Guardians Prediction
- Mariners vs Guardians Pick: Logan Gilert Under 5.5 Strikeouts (+130, bet365)
My Mariners vs Guardians best bet is Logan Gilbert to stay under his strikeout prop. Make sure to find the best odds by checking our live MLB odds page.
Mariners vs Guardians Odds
| Mariners Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-1.5 +115 | 7.5 -110o / -110u | -150 |
| Guardians Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+1.5 -135 | 7.5 -110o / -110u | +125 |
- Mariners vs Guardians moneyline: Mariners -148, Guardians +124
- Mariners vs Guardians over/under: 7.5 (-104o / -115u)
- Mariners vs Guardians spread: Mariners -1.5 (+116), Guardians +1.5 (-141)
Mariners vs Guardians Probable Pitchers
| Logan Gilbert (RHP) | Stat | Slade Cecconi (RHP) |
|---|---|---|
| 6-4 | W-L | 3-6 |
| 1.5 | fWAR (FanGraphs) | 0.7 |
| 3.29/3.93 | ERA / xERA | 4.48/4.44 |
| 3.78/3.59 | FIP / xFIP | 4.46/4.27 |
| 21.2 | K-BB% | 10.7 |
| 33.8 | GB% | 46 |
| .256 | BABIP | .310 |
| 108 | Stuff+ | 93 |
| 104 | Location+ | 102 |
Mariners vs Guardians MLB Betting Preview
Action PRO projects Seattle Mariners starter Logan Gilbert for 5.16 strikeouts in his matchup against the Cleveland Guardians tonight, giving us a solid 15.3% edge against the market when compared to his current prop line of over/under 5.5 strikeouts (priced at +130 on Bet365), which is good enough to tag the Under with an A grade in our system.
Gilbert has been efficient this season but has shown a modest strikeout rate in recent starts, relying heavily on his sinker, cutter, and pinpoint command to induce weak contact rather than racking up swings-and-misses. He has cleared 5.5 Ks in several outings, but multiple recent performances have landed right at or below that number against disciplined lineups.
Tonight, Gilbert faces a Guardians team that ranks near the bottom of the majors in strikeout rate, excelling at putting the ball in play with strong plate discipline and contact skills up and down the order. Cleveland’s approach: focused on line drives, situational hitting, and avoiding the strikeout, plays directly into Gilbert’s strengths as a pitcher who thrives on early-count contact and quick innings rather than strikeout volume.
The matchup and Gilbert’s tendencies both point to another efficient but low-K outing for the right-hander.
Pick: Logan Gilert Under 5.5 Strikeouts (+130, bet365)
