The Milwaukee Brewers host the Seattle Mariners at American Family Field on Thursday, August 20, 2026, with first pitch scheduled for 2:10 PM ET. Robert Gasser gets the ball for Milwaukee, squaring off against one of the more difficult right-handed arms in the American League in George Kirby. This is a regular season interleague matchup that gives the Brewers a chance to build on their home record in front of the American Family Field faithful, with both clubs bringing legitimate pitching into the afternoon game.
Probable Pitchers: Robert Gasser vs. George Kirby
Robert Gasser draws the start for the Brewers. The left-hander has shown flashes of being a quality rotation piece at the big-league level, and a home start against an AL club gives him a chance to showcase his stuff in a favorable environment. How Gasser commands his arsenal and limits free passes will be central to Milwaukee's chances of winning this one.
On the other side, George Kirby is the kind of arm that demands respect. Kirby has built a reputation as one of Seattle's most dependable starters, a pitcher who pounds the strike zone and generates weak contact. If the Brewers are going to get to him, they will need patient at-bats and disciplined approaches early in counts. Kirby does not beat himself, which means Milwaukee's lineup has to make him work.
Keys to the Game for Milwaukee
- Gasser's command: If Gasser can establish his fastball and work efficiently through Seattle's lineup, the Brewers have a real shot at keeping this game close deep into the later innings.
- Plate discipline against Kirby: Kirby's ability to throw strikes consistently can lull lineups into early-count swings. Milwaukee needs hitters to grind through at-bats, run up his pitch count, and look for pitches to drive rather than expand the zone.
- Bullpen availability: In an interleague home game, the Brewers' relief corps will play a significant role if Gasser is lifted before the seventh. How fresh the pen is coming into Thursday matters.
- Home crowd energy: American Family Field in August can be a genuine factor. A loud crowd behind a strong Gasser start can shift momentum in Milwaukee's favor.
Broadcast Information
Brewers fans can catch Thursday's game on Brewers.TV Presented by Potawatomi Sportsbook, with radio coverage available on WTMJ 620. Seattle fans can tune into Mariners.TV or Seattle Sports 710 AM.
Prediction
This is a pitching-first game that figures to stay tight through six or seven innings. Kirby is a difficult assignment for any lineup, but the Brewers are at home and Gasser has the ability to match zeros when he is on. Expect a low-scoring affair decided by a key hit or a bullpen moment in the seventh or eighth. Milwaukee takes advantage of the home crowd and edges the Mariners in a 3-2 game that comes down to the final few outs.
