Holliday's Historic Grand Slam and Young's Strong Pitching Lead Orioles Past Mariners 7-2

Jackson Holliday hit a two-out grand slam in the seventh inning, and Brandon Young threw seven scoreless innings as the Baltimore Orioles beat the Seattle Mariners 7-2 on Wednesday night, according to AP News. The win snapped a four-game losing streak for Baltimore and handed Seattle its first loss in what had been an 11-3 run since May 25.
Holliday, 22, now has 25 career home runs and three career grand slams — more than any Oriole before turning 23, AP News reported. The Orioles improved to 32-37, while Seattle fell to 37-33 but still leads the AL West by two games.
The game was scoreless through five innings. Then Pete Alonso led off the sixth with his 14th home run of the season, a solo shot to right field, according to AP News. Colton Cowser walked, stole second, and scored on a Leody Taveras double. Blaze Alexander added an RBI ground-rule double to make it 3-0.
In the seventh, Seattle reliever Domingo Gonzalez walked two and allowed a single to load the bases. Holliday then drove a grand slam an estimated 415 feet to right field, pushing the lead to 7-0, per AP News. It was his third career grand slam — a franchise record for a player under 23.
Brandon Young was sharp all night. He allowed just two hits and two walks while striking out five over seven scoreless innings, according to FanGraphs. Baltimore is now 9-1 in games he starts this season. FanGraphs elevated him to "Standard Streamer" status, noting his third straight quality start.
Seattle finally scored in the eighth inning. Miles Mastrobuoni came home on a Julio RodrÃguez groundout, and Josh Naylor hit an RBI single to make it 7-2, per AP News. Closer Yennier Cano finished the game with 1.1 innings and two strikeouts.
Mariners starter George Kirby struck out a season-high 10 batters over six innings. But he allowed three runs on seven hits and took the loss, dropping his record to 5-6, according to CBS Sports. The Orioles went 4-for-13 with runners in scoring position — a big jump from 1-for-11 the night before.
Seattle's offense stayed quiet without a home run. The Mariners are just 4-17 this season in games where they do not hit one, per AP News. That home-run dependency has become a clear concern as the team heads into the final two games of this seven-game stretch against Baltimore.
Baltimore played without star catchers Adley Rutschman (hamstring) and Samuel Basallo (wrist). Manager Craig Albernaz said Basallo was available to pinch-hit but needed to learn how "his body operates," according to The Baltimore Banner. Albernaz, hired in October 2025, is prioritizing long-term health over short-term lineups.
The series wraps up Thursday. Seattle sends Bryan Woo (5-4, 3.74 ERA) to the mound against Baltimore's Kyle Bradish (3-7, 3.89 ERA), per AP News. The teams will meet again next week for another three-game set in Seattle, making this a pivotal stretch for both clubs.
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