MLB Prop Bets: San Diego Padres vs Seattle Mariners (April 14, 2026)
The Seattle Mariners (8-9) face the San Diego Padres (10-6) at Petco Park on Tuesday at 9:40pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Bryan Woo is the probable pitcher for the Mariners, while Michael King is the probable pitcher for the Padres. The Mariners are favored to win at -120, while the Padres are at +100. The total runs line is set at 7.0, with OVER at -120 and UNDER at +100.
- The Mariners (+139) have an 8-9 Run Line record this season, while the Padres (-168) hold a record of 10-6.
- The Mariners have an 8-9-0 O/U record this season (meaning eight games have gone over the total runs line and nine have gone under). The Padres have an 8-7-1 O/U record.
Scoring Insights
- The Mariners are averaging 4.1 runs per game this season (22nd in the league). Comparatively, the Padres are averaging +0.6 more at 4.6 runs (12th).
- In the field, the Mariners are allowing only 3.4 runs per game this season (3rd in the league), while the Padres are allowing an average of 3.8 runs (T6th).
Let's take a look at how these teams perform in some other key statistical areas.
Batting Insights:
Batting Average
- Looking at their batting averages this season, the Mariners are at .208 (ranking 28th in the Major leagues), while the Padres are batting .227 (T22nd).
Home Runs
- In terms of total home runs this season, the Padres have hit 16 (T13th in the Major Leagues). Meanwhile, the Mariners have managed 16 (T13th).
Runs Batted In
- Finally, looking at their runs batted in, the Mariners have recorded 66 RBIs to rank T16th in the MLB this season. Comparatively, the Padres have recorded 69 RBIs to rank T10th.
Pitching Insights:
Earned Run Average
- The Padres have an earned run average of 3.41 this season (7th in the Majors), while The Mariners have an ERA of 2.95 (2nd).
Strikeouts
- Turning our attention to total strikeouts, the Mariners have recorded 148 this season, ranking 11th in the MLB. Meanwhile, the Padres rank T9th for total strikeouts, recording 151.
Opponent Batting Average
- Opponents are batting an average of .236 against the Padres this season (17th in the Major Leagues). Comparatively, the Mariners' opponents are at .225 (5th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Mariners | 5-5-7 | 4-3-4 | 1-2-3 | 5-4-5 | 0-1-2 | 0-0-0 | 5-2-3 |
| Padres | 2-3-11 | 2-3-5 | 0-0-6 | 2-1-6 | 0-2-5 | 0-0-0 | 1-1-8 |
Lead After Three Innings
The Mariners are -125 to lead after three innings, while the Padres are -105.
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Mariners | 6-5-6 | 5-4-2 | 1-1-4 | 5-4-5 | 1-1-1 | 0-0-0 | 3-2-5 |
| Padres | 4-6-6 | 3-4-3 | 1-2-3 | 3-2-4 | 1-4-2 | 0-0-0 | 2-3-5 |
NRFI/YRFI
The NRFI market is paying -145 and the YRFI is paying +110.
- The NRFI is 5-12 in Mariners games this season. The Padres have an 11-5 NRFI record.
Last Time They Met
The Mariners recorded a 4-3 victory over the Padres at T-Mobile Park when these teams last met on August 27, 2025. Eugenio Suarez was unstoppable in that matchup, hitting a home run, a single and recording 3 RBIs.
