Houston Astros star Yordan Alvarez crushes home run, grand slam in historic first inning

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Houston Astros star Yordan Alvarez had what most people would consider to be a great game in the first inning.

In the Astros’ 10-8 win over the Kansas City Royals on Friday at Kauffman Stadium, Alvarez hit a home run and a grand slam in the first inning. He became just the eighth player to hit a multi-run home run and a grand slam in the same inning in MLB history, per Sportradar.

Alvarez’s first blast came off of Royals starter Luinder Avila when he hammered an 84 mph curveball to the opposite field, 368 feet over the left-field wall for a two-run home run to give the Astros a 2-0 lead.

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Houston Astros' Yordan Alvarez celebrates in the dugout after hitting a two-run home run during the first inning against the Kansas City Royals in Kansas City, Mo., on June 12, 2026. (Charlie Riedel/AP)

First baseman Christian Walker pummeled a home run after Alvarez, giving the Astros back-to-back first-inning jacks. The inning seemed like it was going to slow down, as Isaac Paredes and José Altuve made consecutive outs, but the Astros strung together an impressive two-out rally.

Joey Loperfido walked, while Cam Smith and Taylor Trammell both singled. Loperfido scored on Trammell’s single, making it 4-0. Christian Vásquez and Jeremy Peña both walked to load the bases, and Smith scored on a passed ball to make it 5-0.

Royals manager Matt Quatraro removed Avila from the game with Alvarez coming up for the second time in the inning with the bases loaded. Mason Black came into the game and hung an 85 mph sweeper to Alvarez, which he hit over the centerfield wall for a grand slam, giving the Astros a