MLB Prop Bets: Seattle Mariners vs Texas Rangers (April 18, 2026)
The Texas Rangers (11-9) face the Seattle Mariners (8-13) at T-Mobile Park on Saturday at 7:15pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Nathan Eovaldi is the probable pitcher for the Rangers, while George Kirby is the probable pitcher for the Mariners. The Mariners are favored to win at -149, while the Rangers are at +123. The total runs line is set at 7.0, with OVER at -118 and UNDER at -102.
- The Rangers have a 9-10-1 O/U record this season (meaning nine games have gone over the total runs line, 10 have gone under and one has resulted in a push). The Mariners have a 9-12-0 O/U record.
Scoring Insights
- The Rangers are averaging 4.3 runs per game this season (16th in the league). Comparatively, the Mariners are averaging 3.7 (25th).
- In the field, the Rangers are allowing only 3.5 runs per game this season (3rd in the league), while the Mariners are allowing an average of 3.8 runs (5th).
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 Rangers are at .240 (ranking 12th in the Major leagues), while the Mariners are batting .209 (28th).
Home Runs
- In terms of total home runs this season, the Mariners have hit 17 (T18th in the Major Leagues). Meanwhile, the Rangers have managed 23 (7th).
Runs Batted In
- Finally, looking at their runs batted in, the Rangers have recorded 82 RBIs to rank 17th in the MLB this season. Comparatively, the Mariners have recorded 75 RBIs to rank T21st.
Pitching Insights:
Earned Run Average
- The Mariners have an earned run average of 3.28 this season (4th in the Majors), while The Rangers have an ERA of 3.38 (5th).
Strikeouts
- Turning our attention to total strikeouts, the Rangers have recorded 186 this season, ranking 8th in the MLB. Meanwhile, the Mariners rank 12th for total strikeouts, recording 177.
Opponent Batting Average
- Opponents are batting an average of .246 against the Mariners this season (22nd in the Major Leagues). Comparatively, the Rangers' opponents are at .230 (9th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Rangers | 4-6-10 | 0-2-4 | 4-4-6 | 2-1-5 | 2-5-5 | 0-0-0 | 3-4-3 |
| Mariners | 5-6-10 | 4-4-4 | 1-2-6 | 5-5-7 | 0-1-3 | 0-0-0 | 5-1-4 |
Lead After Three Innings
The Rangers are +110 to lead after three innings, while the Mariners are -140.
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Rangers | 9-6-5 | 0-2-4 | 9-4-1 | 3-2-3 | 6-4-2 | 0-0-0 | 5-3-2 |
| Mariners | 7-8-6 | 5-5-2 | 2-3-4 | 5-7-5 | 2-1-1 | 0-0-0 | 4-4-2 |
NRFI/YRFI
The NRFI market is paying -155 and the YRFI is paying +120.
- The NRFI is 8-12 in Rangers games this season. The Mariners have an 8-13 NRFI record.
Last Time They Met
The Rangers recorded a 5-0 victory over the Mariners at T-Mobile Park yesterday. Josh Jung went yard en route to that victory, hitting a home run to go with an RBI. The Rangers have now won four straight against the Mariners.
