Houston Astros vs Seattle Mariners Prediction, 4/8/2025 MLB Picks, Best Bets & Odds

Game: Houston Astros vs Seattle Mariners

Date: Tuesday, April 8, 2025

Location: T-Mobile Park in Seattle, WA

TV: Root Sports Northwest

Odds/Point Spread: Houston (-122) Seattle (+102)

The Houston Astros (4-5) are en route to T-Mobile Park on Tuesday where they will go up against the Seattle Mariners (3-7). The line on this matchup has Houston at -122 while Seattle is priced at +102. The total has been set at 8.5. The expected starting pitchers will be Framber Valdez and Luis Castillo.

As a team, the Houston Astros are recording 3.0 runs per contest, which is 29th in the league. They have a total of 27 runs scored and have an OBP of .294. The Astros have accounted for 9 two-baggers as a team and have knocked 6 baseballs out of the stadium. They have accumulated 24 RBI's in addition to 63 base knocks for the season, and their average at the plate is sitting at .216. Houston has a slugging rate of .309 and have been called out on strikes 88 times, while taking a walk on 27 occasions.

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They have a K/BB ratio of 2.75 and the pitching staff holds a WHIP of 1.11. Astros pitchers have relinquished 7 home runs and 36 runs (9th in the league). Houston has given up 54 hits (6.0 per 9 innings) in addition to 34 earned runs. The Astros have compiled a team earned run average of 3.78 so far this season (10th in MLB), and the staff has rung up 99 hitters. Their pitching staff has walked 36 players from the other team and their FIP sits at 3.25 as a squad this season.

Astros pitchers have gone to the mound with runners on base 5 times and also have had 4 appearances in high leverage situations. The bullpen have recorded 5 holds for the year (21st in baseball). The Astros relievers have a save percentage of 100.0% and has stepped onto the mound in 8 save situations. They have compiled 3 saves for the season and have not converted 0 out of their 3 chances to save the game. The bullpen pitchers have inherited 8 base runners for the season with 25.0% of those runners crossed the plate. The Astros have dispatched 29 relief pitchers to the mound this season.

The Astros have turned 72.9% of balls hit into play into outs in their 729 innings, ranking them 7th in the majors. The Detroit Tigers have 243 putouts for the season, as well as 62 assists and 6 errors. Their fielding percentage sits at .981 which ranks 24th in professional baseball, and have a total of 4 double plays.

Valdez (69-42 career win-loss mark) is the owner of a FIP of 3.26 and he has gone up against 3,730 opposing batters during his time in the majors. He has conceded 749 base knocks (7.5 hits per nine innings) and has 327 walks. His earned run average is 3.31 (331 earned runs allowed) and he has a WHIP of 1.195. Valdez has pitched in 900 frames and has tallied 879 strikeouts thus far in his career.

Seattle has accounted for 12 home runs so far this year to go along with 28 RBIs. They have 7 two-baggers, while walking 45 times as well as recording 32 runs. The Seattle Mariners have an OBP of .320 in addition to a team batting average of .213 for the season. The Mariners hold a team SLG% of .354 and they earn 3.20 runs per outing (28th in the league). They have struck out on 85 occasions (15th in the league) and have 68 base hits.

The Seattle pitching staff have allowed 48 runs on the season while holding a team ERA of 4.59 (46 earned runs allowed). They have given up 12 dingers and they surrender 4.79 runs per 9 innings (18th in baseball). The Mariners are sitting with a team WHIP of 1.410 in addition to having a FIP of 4.13 as a staff for the season. They have earned a K/BB ratio of 8.20 (82 strikeouts against 33 walks). They are currently ranked 28th in the league as a staff in total hits given up with 94.

Seattle has had relief pitchers take the mound in 4 save opportunities and they have come away with 3 saves. They are ranked 8th in MLB holding a save percentage of 75.0%, and they have sent 35 relievers onto the diamond on the year. Their bullpen pitchers have stepped onto the mound 12 times in high leverage situations in addition to 11 occasions with runners on base. Seattle bullpen pitchers hold an inherited score rate of 45.5% of 11 inherited base runners. Sitting with 7 save situations, the Mariners have 3 holds and 1 blown save.

Out of their 813 innings played, the Mariners have a efficiency on defense of 68.3% (22nd in MLB). The Seattle Mariners have turned 6 double plays and have notched a fielding percentage of .992 (6th in baseball). The Mariners have 103 assists, 3 errors and have accounted for 271 putouts on the season.

During his MLB career, Castillo has allowed 1,048 base knocks while he has accumulated 1,340 strikeouts in 1,242 innings pitched. Castillo (74-77 career win-loss mark) has earned a 3.55 earned run average and has surrendered 7.6 hits per nine innings. He has given up 490 ER's while holding a WHIP of 1.175 and a FIP of 3.5. His strikeout to walk ratio is 3.26 and he has gone up against 5,128 hitters thus far in his career.

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

Tony Sink's Pick: Take Houston (-122)

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