Mariners vs Astros Prediction 13 April 2026
📡 The Mariners' attempt to complete a sweep makes this prediction for the Seattle Mariners vs. Houston Astros matchup particularly intriguing. The hosts have already clinched three consecutive wins in the series and now have a favorable pitching duel: George Kirby takes the mound at home against Mike Burrows. For Seattle, it's an opportunity to climb up in the division standings, while for Houston, it's a chance to halt their prolonged slump.
Head-to-Head
📊 In the last ten head-to-head matchups, Seattle clearly have the upper hand with 8 wins and 2 losses. Within this series, the Mariners have already triumphed three times with scores of (9-6), (8-7), and (6-1). Narrowing it down to games played in Seattle, the hosts boast five victories out of the last six encounters. When it comes to totals, the picture leans towards the over: six overs, three unders, and one push.
Head-to-head statistics Mariners - Astros

Seattle Mariners Team Overview
The Mariners aren't just leading 3-0 in the series; they are gradually turning their season around after a challenging stretch. According to ESPN, Seattle boasts a 6-4 home record, while Houston struggles on the road with just a 1-8 record. Despite this, the Mariners' overall offense is still far from ideal this season, with a team AVG of only .193. However, their pitching staff maintains an ERA of 3.14 and a WHIP of 1.07. Key offensive players right now are Luke Raley, Cal Raleigh, and Brendan Donovan. Their recent 6-1 victory demonstrated that Seattle can secure wins not only through home runs but also by applying pressure throughout the game.
Match Results: Seattle Mariners

Houston Astros Team Overview
Houston find themselves in a paradoxical situation: throughout the season, the team has been hitting powerfully - .281 AVG, .377 OBP, .462 SLG, and 92 runs, with Yordan Alvarez leading the club in home runs, RBIs, and average. However, despite this offensive prowess, their pitching is faltering: the Astros have a team ERA of 6.47, a WHIP of 1.68, and they head into the fourth game of the series on a seven-game losing streak. Adding to the risk are personnel issues: injuries and limitations have already affected Jeremy Peña, Tatsuya Imai, and Cody Bolton, and the rotation itself has been seriously impacted by injuries.
Match Results: Houston Astros
⚾ Starting Pitchers
Taking the mound for the home team is George Kirby. His season stats are impressive: a 1-2 record with a 3.60 ERA, a 0.90 WHIP, over 20.0 innings pitched, allowing 13 hits and striking out 16. His last outing was particularly noteworthy: against Texas, he went eight innings, giving up just three runs while throwing 90 pitches. For a game of this magnitude, Kirby provides Seattle with length, control, and a chance to spare the bullpen.
The visitors will send Mike Burrows to the mound. His numbers show a 1-2 record, a 5.63 ERA, and a 1.75 WHIP, having allowed 22 hits over 16.0 innings. In Houston, he's viewed as one of the few who can offer length to their depleted rotation, but recent reports still highlight issues with his pitching and consistency. Given Seattle's current form and the overall state of the Astros' pitching staff, this presents a challenging scenario for the fourth game of the series.
Editor's Prediction
The scenario here favors the hosts. Houston might retaliate with the strength of their top lineup, and with such an attack, the visitors aren't entirely without chances, but over nine innings, Seattle holds the advantage. The Mariners boast a better current streak, superior home split, a more reliable starting pitcher, and a calmer situation with bullpen depth. The Astros have been grappling with mound issues for three consecutive days, and by the fourth game, these problems usually accumulate rather than dissipate. We believe Seattle should clinch the match again, though perhaps not as convincingly as before. Our pick - Seattle Mariners win.