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Mariners vs Astros Prediction 4/11/26 MLB Picks Today

Houston Astros (6-8) vs. Seattle Mariners (5-9)
April 11, 2026 9:40 pm EDT
The Line: Seattle Mariners -149 / Houston Astros 123; Over/Under: 7.5
(Get latest betting odds)

The Houston Astros and Seattle Mariners meet Saturday in MLB action at Dodger Stadium. Here’s a Mariners vs. Astros Prediction. This article will include a Mariners vs. Astros Pick.

Houston Astros Betting Preview

The Houston Astros are 6-8 on the year and play the Rockies and Cardinals next. The Houston Astros are batting .270 on the season and have a .372 OBP, and a .449 slugging percentage. The Houston Astros pitching staff has a 6.32 ERA and a 1.68 WHIP. Christian Walker leads the Houston Astros with 17 hits and 13 RBI, while Yordan Alvarez and Jose Altuve have combined for 30 hits and 19 RBI.

Lance McCullers Jr. gets the ball for the Houston Astros, and he is 1-0 with a 3.27 ERA and 13 strikeouts this season. McCullers is 10-3 with a 3.11 ERA and 129 strikeouts in his career against the Seattle Mariners.

Seattle Mariners Betting Preview

The Seattle Mariners are 5-9 on the year and play the Rangers and Padres next. The Seattle Mariners are batting. 190 on the season, have a .297 OBP, and have a .311 slugging percentage. The Seattle Mariners pitching staff has a 2.86 ERA and a 0.98 WHIP. Randy Arozarena leads the Seattle Mariners with 13 hits and 6 RBI while Cole Young and Brendan Donovan have combined for 25 hits and 13 RBI.

Luis Castillo gets the ball for the Seattle Mariners, and he is 0-0 with a 2.79 ERA and 11 strikeouts this season. Castillo is 3-2 with a 3.02 ERA and 51 strikeouts in his career against the Houston Astros.

Why the Seattle Mariners will win

  • The Mariners have won each of their last 11 home games against teams that held a losing record.
  • The Astros have lost each of their last five games.
  • The Astros have failed to cover the run line in 14 of their last 16 night games against AL West opponents that held a losing record.
  • The home team has covered the run line in each of the Astros’ last five games.
  • The Mariners have led after 5 innings in each of their last six night games against the Astros.
  • The Mariners have won the first inning in each of their last three home games against AL West opponents.
  • The Mariners have led after 3 innings in five of their last six games against the Astros.

Why the Houston Astros will win

  • The underdogs have won seven of the Astros’ last eight games.
  • The Mariners have lost each of their last five games as favorites after playing the previous day.
  • The Astros have covered the run line in 10 of their last 11 games as underdogs following a road loss.
  • The Mariners have failed to cover the run line in each of their last five games as favorites after playing the previous day.
  • The Astros have won the first inning in three of their last four games as underdogs.
  • The Astros have led after 3 innings in each of their last five Saturday road games.
  • The Mariners have trailed after 5 innings in four of their last five games as favorites.

Total Runs Facts

  • Each of the Astros’ last nine games against American League opponents has gone OVER the total runs line.
  • Seven of the Mariners’ last eight games as home favorites have gone OVER the total runs line.
  • The ‘Inning 1 UNDER 0.5 runs’ market has hit in 11 of the Astros’ last 12 games at T-Mobile Park.
  • The ‘Inning 1 UNDER 0.5 runs’ market has hit in seven of the last eight night games between the Astros and Mariners at T-Mobile Park.

Seattle Mariners Player Prop Facts

  • Randy Arozarena has recorded at least one hit in each of the Mariners’ last seven games against opponents that held a losing record.
  • Randy Arozarena has hit a home run in three of the Mariners’ last five home games against the Astros.

Houston Astros Player Prop Facts

  • Christian Walker has hit at least one home run in six of his last eight road appearances after playing the previous day.
  • Jose Altuve has recorded at least one hit in each of his last 17 road appearances against the Mariners after playing the previous day.
  • Lance McCullers Jr. has recorded six or more strikeouts in eight of his last 10 appearances against the Mariners.

Matchup/League Facts

  • The Mariners rank 30th in the league for batting average this season (.190).
  • The Mariners rank 29th in the league for slugging percentage this season (.311).
  • The Astros rank 1st in the league for runs scored this season (85).
  • The Astros rank 1st in the league for doubles this season (35).

Mariners vs Astros Prediction

The Astros are a tough sell with the way the pitching staff looks. It’s ugly, folks. However, let’s not act like the Mariners are lighting the world on fire. A win last night doesn’t move the needle much. Before yesterday the Mariners scored a combined 3 runs in their last 3 games. Castillo looks good and was sharp last season, but McCullers appears to be one of the bright spots in this Astros rotation and is somebody who can stop the bleeding with another solid performance. I’ll take a shot with the underdog with McCullers on the mound.

Randy Chambers's Free Pick: Houston Astros 123

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Randy Chambers

Randy has covered sports betting since 2014 and writes about everything from NFL to WNBA. Follow Randy Chambers on Twitter.

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