Houston Astros vs Seattle Mariners Prediction, 4/9/2025 MLB Picks, Best Bets & Odds

Game: Houston Astros vs Seattle Mariners

Date: Wednesday, April 9, 2025

Location: T-Mobile Park in Seattle, WA

TV: Root Sports Northwest

Odds/Point Spread: Houston (-150) Seattle (+125)

The Seattle Mariners (4-7) will compete against the Houston Astros (4-6) at T-Mobile Park on Wednesday. The odds on this game have Houston at -150 and Seattle is coming in at +125. The total has been set at 8. The starting pitchers will be Hunter Brown and Luis Castillo.

The Astros have tallied 9 two-baggers as a team and have hit 7 baseballs out of the stadium. Houston has a slugging rate of .296 and have been called out on strikes 98 times, while being walked on 31 occasions. As a team, the Houston Astros are notching 3.0 runs per contest, which has them at 28th in MLB. They have accounted for 25 RBI's as well as 65 base knocks on the season, while their batting average sits at .202. They have a total of 30 runs scored and hold an on-base percentage of .283.

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Their K/BB ratio is 2.76 and the pitching staff has earned a collective WHIP of 1.08. Astros pitchers have conceded 8 home runs in addition to 40 runs (10th in baseball). Houston has surrendered 58 base hits (5.9 per 9 innings) and 38 earned runs. The Astros have compiled a team earned run average of 3.84 so far this season (11th in MLB), and their staff has rung up 105 hitters. They have walked 38 opposing hitters and their FIP is 3.29 as a unit over the course of the season.

Astros pitchers have stepped onto the hill with runners on 6 times in addition to having 6 appearances in high leverage situations. The bullpen have accumulated 6 holds on the season (18th in MLB). The Astros relief pitchers have a save percentage of 75.0% and has stepped onto the mound in 10 save situations. They have earned 3 saves on the campaign and have blown 1 of their 4 save opportunities. The bullpen pitchers have inherited 10 base runners so far this year with 40.0% of those players earned a run for their team. The Astros have dispatched 31 relievers to the hill on the season.

The Astros have turned 74.2% of balls hit into play into outs in their 801 innings on the field, which ranks them 5th in baseball. The Detroit Tigers have accumulated 267 putouts over the course of the season, as well as 70 assists and 6 errors. Their fielding percentage is at .983 which has them sitting 22nd in MLB, and have accumulated 4 double plays.

Brown has taken the ball for 358 frames and has racked up 394 strikeouts in his career. Brown (25-23 win-loss mark in his career) holds a FIP of 3.96 while he has gone up against 1,502 batters in the majors. His earned run average is 4.02 (160 earned runs allowed) and his WHIP is 1.291. He has given up 337 hits (8.5 hits per nine innings) and has had 125 walks.

The Seattle Mariners have earned a team on-base percentage of .312 in addition to a team batting average of .208 for the year. They have struck out on 91 instances (15th in the league) and have tallied 72 base hits. Seattle is sitting with 13 long balls this season as well as 32 RBIs. The Mariners hold a slugging % of .347 and they are scoring 3.27 runs per contest (27th in the league). They have put up 7 doubles, while getting a free base 47 times and racking up 36 runs.

The Mariners hold a team WHIP of 1.342 with a FIP of 4.06 as a squad on the season. They sit at 25th in the league as a staff in total hits surrendered with 96. The Seattle pitching staff have surrendered 51 runs on the season while having a team ERA of 4.27 (47 earned runs conceded). They have earned a K/BB ratio of 8.30 (92 strikeouts vs 37 free passes). They have allowed 13 HR's and they allow 4.63 runs per 9 innings (18th in baseball).

Seattle has had bullpen pitchers enter the game in 6 save opportunities and they have converted 4 saves. They rank 14th in MLB with a save percentage of 66.7%, and they have dispatched 38 relievers to the mound this year. Their relievers have stepped onto the mound 14 times in high leverage situations and on 12 occasions with runners on base. Seattle relievers have an inherited score rate of 41.7% out of their 12 inherited runners. With 10 save situations, the Mariners have earned 4 holds and also 2 blown saves.

The Seattle Mariners have turned 6 double plays and own a fielding percentage of .988 (11th in MLB). The Mariners have accrued 113 assists, 5 errors and have amassed 298 putouts so far this year. Out of their 894 innings on the diamond, the Mariners hold a defensive efficiency of 69.6% (20th in baseball).

Castillo (74-77 mark in his career) holds a 3.55 earned run average and has surrendered 7.6 hits per nine innings. He has a strikeout to walk ratio of 3.26 and he has faced 5,128 batters thus far in his career. He has allowed a total of 490 earned runs while holding a WHIP of 1.175 and having a FIP of 3.5. In his pro baseball career, Castillo has conceded 1,048 base hits and he has 1,340 K's in 1,242 innings.

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

Tony Sink's Pick: Take Houston (-150)

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