Minnesota Twins vs Seattle Mariners Picks, Prediction, Odds, and Line Movement for Friday July 31 2026
The Minnesota Twins and Seattle Mariners open a three-game series Friday at 10:10 PM ET, with Seattle listed as a -173 moneyline favorite and Minnesota available at +143. The Mariners are also priced at +124 on the -1.5 run line, while the Twins can be backed at -149 with 1.5 runs. If you are searching for more value on today's slate, check out our full MLB predictions before locking in your card.
TLDR: Quick Picks and Prediction
- Spread Pick: Mariners -1.5
- Total Pick: Under 8
- Final Score Prediction: Mariners 4, Twins 2
Odds and Line Movement
Seattle has strengthened as the favorite throughout the week, moving from -186 to -173, while the total has climbed from an opening number of 7.5 to eight as gametime approaches. Here is the current market followed by the full line movement for both the run line and total.
Current Odds
| Market | Minnesota Twins | Seattle Mariners |
|---|---|---|
| Moneyline | +143 | -173 |
| Run Line | -1.5 (-149) | +1.5 (+124) |
| Total | 8 (Over -102 / Under -118) | |
Line Movement
| Date | Time | Minnesota | Seattle | Public ($, #) |
|---|---|---|---|---|
| 07/31 | 09:22:30AM | +143 | -173 | SEA 87%, 84% |
| 07/31 | 09:22:30AM | +143 | -173 | SEA 93%, 84% |
| 07/31 | 08:51:18AM | +153 | -187 | SEA 90%, 84% |
| 07/31 | 03:51:42AM | +158 | -193 | SEA 62%, 84% |
| 07/31 | 01:11:20AM | +158 | -193 | SEA 62%, 84% |
| 07/31 | 01:11:20AM | +158 | -193 | SEA 62%, 84% |
| 07/30 | 09:58:30PM | +158 | -193 | MIN 67%, 16% |
| 07/30 | 09:58:30PM | +158 | -193 | SEA 94%, 85% |
| 07/30 | 08:19:11PM | +158 | -193 | SEA 91%, 93% |
| 07/30 | 08:19:11PM | +158 | -193 | SEA 88%, 88% |
| 07/30 | 05:29:43PM | +157 | -192 | SEA 94%, 89% |
| 07/30 | 05:29:43PM | +157 | -192 | |
| 07/30 | 03:52:34PM | +153 | -186 | |
| 07/30 | 03:43:44PM | +153 | -186 |
Line Movement - Total
| Date | Time | Over | Under | Public ($, #) |
|---|---|---|---|---|
| 07/31 | 09:22:30AM | 8o-102 | 8u-118 | U83% |
| 07/31 | 08:51:18AM | 8o-105 | 8u-115 | U83% |
| 07/31 | 03:51:42AM | 8o-102 | 8u-118 | U83% |
| 07/31 | 01:11:20AM | 8o-103 | 8u-117 | U83% |
| 07/30 | 09:58:30PM | 8o-105 | 8u-115 | |
| 07/30 | 05:29:43PM | 8o-102 | 8u-118 | |
| 07/30 | 03:52:34PM | 8o-104 | 8u-116 | |
| 07/30 | 03:43:44PM | 7Âœo-126 | 7Âœu+104 |
Twins vs Mariners Key Matchups and Game Preview
Seattle's Command on the Mound
Seattle holds a significant starting-pitching advantage behind Bryce Miller, who enters at 4-5 with a 2.75 ERA and 0.92 WHIP across 68.2 innings. Miller has allowed only 52 hits while recording 71 strikeouts against 11 walks, although his 11 home runs surrendered give Minnesota some opportunity to produce damage with the long ball.
Twins' Rotation Vulnerability
Minnesota counters with Zebby Matthews, who is 4-8 with a 5.21 ERA and 1.32 WHIP through 76 innings. Matthews has allowed 76 hits, 24 walks and 15 home runs while striking out 59, leaving him vulnerable against a Seattle lineup that should benefit from playing at home.
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Minnesota's Offensive Profile
Minnesota owns the stronger overall offensive profile, batting .245 with a .319 on-base percentage, .405 slugging percentage, 127 home runs and 518 runs. Byron Buxton leads Minnesota with 25 home runs, a .263 average and a .544 slugging percentage, but his placement on the injured list removes the club's most dangerous power-speed threat. Josh Bell leads the Twins with 63 RBIs.
Mariners' Power Bats
Seattle is hitting only .230 with a .309 OBP, .379 slugging percentage and 440 runs, although the Mariners have hit 129 homers. Seattle is paced by Dominic Canzone's 18 homers and 49 RBIs and Randy Arozarena's .283 average and .376 OBP.
Betting Trends: MIN and SEA
The Twins have won four of their last five games and enter at 55-55, while Seattle has dropped three of its last four. The Mariners lead the season series 2-1 after taking two of three in Minnesota during April. Public backing has remained heavily on Seattle throughout the week, with support reaching as high as 94% on the moneyline.
Key Injuries and Things To Know: MIN and SEA
The Twins' injury list includes Garrett Acton, Mike Paredes, Mick Abel and Cole Sands, in addition to Buxton. Seattle is missing Brendan Donovan, Carlos Vargas, Matt Brash, Will Wilson and Cooper Criswell, weakening both its lineup depth and bullpen.
Twins vs Mariners Side and Over/Under Picks
- Side Pick: Mariners -1.5 (+124)
- Total Pick: Under 8 (-118)
Miller's excellent command, low WHIP and ability to suppress hits provide the clearest matchup edge, especially with Buxton unavailable. Minnesota's better offense and Seattle's recent struggles make laying 1.5 runs less appealing, but the starting-pitching gap still supports the home favorite.
Final Score Prediction
- Final Score: Mariners 4, Twins 2
How to Wager On Twins vs Mariners
Bettors looking to get down on Twins vs Mariners have several tools available to help shape their picks. Our AI picks hub breaks down model-driven projections for this matchup, while the Dimers review and Oddible review offer additional angles on the run line, total and moneyline markets for this three-game series opener.
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