The latest Athletics vs. Mariners news is that the Athletics beat Seattle 6-4 in the series opener on Monday, April 20, 2026, with Carlos Cortes going 4-for-5 and driving the comeback. The next matchup was scheduled for Tuesday night in Seattle, with Jacob Lopez set to start for Oakland and Luis Castillo for Seattle.[2]
Oakland erased an early three-run deficit with solo homers from Carlos Cortes, Nick Kurtz, and Shea Langeliers, then pulled away late with a three-run eighth inning. The win moved the Athletics to 12-11 and kept them in first place in the AL West.[5][2]
The teams were in the middle of a three-game series at T-Mobile Park, and Seattle entered the rematch at 10-14 overall but 9-6 at home. The listed betting line for the second game had the Mariners favored, with the over/under set at 7.5 runs.[1]
This matchup has been tight in recent seasons, with many games decided by two runs or fewer. In 2025, the A’s went 6-7 against Seattle and even outscored the Mariners 49-48 over the season series.[2]
SEATTLE – Despite the 14-game difference in overall win total, there wasn’t much separation whenever the Athletics matched up against the eventual American League West champion Mariners last season. If Monday night’s first encounter of 2026 between these two clubs is any indication, we might be in for some more
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www.espn.comCondensed Game: Lawrence Butler and the A's take on Cal Raleigh and the Mariners on April 20, 2026
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