Houston Astros vs Seattle Mariners Prediction, 4/13/2026 MLB Picks, Best Bets & Odds

Game: Houston Astros vs Seattle Mariners

Date: Monday, April 13, 2026

Location: T-Mobile Park in Seattle, WA

TV: MLB.TV

Odds/Point Spread: Houston (-132) Seattle (+110)

The Houston Astros (6-8) are headed to T-Mobile Park on Monday where they will attempt to defeat the Seattle Mariners (5-9). The moneyline on this contest has Houston at -132 while Seattle is coming in at +110. The over/under is set at 8. The pitchers taking the mound are Mike Burrows and George Kirby.

As a unit, the Houston Astros are earning 6.1 runs per game, which ranks them 2nd in baseball. They have notched a total of 85 runs while holding a team on-base percentage of .372. The Astros have hit 35 two-baggers as a unit and have hit 17 balls out of the stadium. They have amassed 79 RBI's as well as 130 hits on the campaign, while their team batting average sits at .270. Houston has a slugging rate of .449 and have been rung up 107 times, while being walked on 71 occasions.

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They have earned a strikeout to walk ratio of 1.74 and their pitching staff holds a WHIP of 1.68. Astros pitchers have yielded 21 long balls and also 87 runs in total (30th in MLB). Houston has given up 123 hits (9.1 per 9 innings) as well as 85 earned runs. The Astros have an ERA of 6.32 for the year (30th in MLB), and the staff has rung up 139 hitters. They have walked 80 opposing batters and their FIP sits at 5.29 as a unit for the year.

The Astros relievers have compiled a save rate of 100.0% and have entered the game in 6 save situations. They have accumulated 3 saves for the season and have blown 0 of their 3 chances to save the game. The bullpen pitchers have inherited 32 base runners for the season and 34.4% of those players ended up scoring. Astros relief pitchers have entered the contest with runners on 19 times and also have had 7 appearances in high leverage situations. The Astros have dispatched 44 relievers to the hill so far this season. The relief pitchers have earned 3 holds this season (29th in baseball).

The Detroit Tigers have a total of 363 putouts at this point in the season, in addition to 101 assists and 4 errors. Their fielding rate sits at .991 which has them ranked 4th in the majors, and they have turned 17 double plays. The Astros have converted 66.1% of baseballs in play into outs out of their 1,089 innings on the field, ranking them 28th in baseball.

Burrows has taken the ball for 115 frames and has 114 strikeouts in his career. His earned run average is 4.14 (53 ER's allowed) and his WHIP is 1.321. He has conceded 112 hits (8.8 hits per 9 innings) and has had 40 free passes. Burrows (4-6 win-loss record in his career) has earned a FIP of 4.08 while he has faced 489 opposing batters in the major leagues.

The Mariners hold a slugging % of .311 and they have an average of 3.50 runs per contest (26th in baseball). They have put up 15 doubles, while taking a walk 59 times and scoring 49 runs. Seattle has tallied 12 long balls this season and 46 runs batted in. They have been called out on strikes on 143 occasions (3rd in MLB) and have 87 base hits. The Seattle Mariners hold an on-base percentage of .297 in addition to a team batting average of .190 for the year.

The Mariners hold a team WHIP of 0.982 in addition to having a FIP of 2.99 as a team so far this year. They are currently ranked 6th in the league as a staff in total hits conceded with 93. The Seattle pitching staff have surrendered 48 runs so far this season while holding an ERA of 2.88 (40 earned runs relinquished). Their strikeout to walk ratio sits at 9.00 (125 strikeouts against 30 bases on balls). They have allowed 9 long balls and they give up 3.45 runs per 9 innings (3rd in the league).

Seattle relievers hold an inherited score rate of 25.0% out of their 12 inherited base runners. Their relief pitchers have come in 15 times in high leverage situations and on 12 occasions with base runners. Sitting with 9 save situations, the Mariners have 4 holds and also 2 blown saves. They rank 21st in baseball with a save percentage of 60.0%, and they have dispatched 41 bullpen pitchers to the hill for the season.

The Seattle Mariners have turned 19 double plays and hold a fielding percentage of .984 (16th in the majors). The Mariners have racked up 122 assists, 8 errors and have accumulated 377 putouts so far this season. In their 1,131 innings on the diamond, the Mariners have a defensive efficiency of 71.7% (7th in professional baseball).

During his pro baseball career, Kirby has allowed 629 base hits while he has accumulated 637 K's in 657 innings pitched. Kirby (46-36 career mark) has a 3.59 earned run average while allowing 8.6 hits per nine innings. He has allowed 262 earned runs while earning a WHIP of 1.106 and having a FIP of 3.5. His strikeout to walk ratio is 6.50 and he has gone up against 2,675 hitters thus far in his career.

Who will win tonight's MLB game against the spread or moneyline?

Tony Sink's Pick: Take Houston (-132)

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