Former Monarch Hendrickson Makes Major League Debut with Astros

Kansas City, KS — Big left-handed pitcher Josh Hendrickson who went 10 – 5 in 2025 with the Kansas City Monarchs, made is major league debut with the Houston Astros last night in Seattle.

In his time in KC, he pitched over 104 innings of work while punching out 116 batters. After the Monarchs 2025 season ended, Hendrickson was loaned to the Atlantic League High Point Rockers for their playoff run.  He returned to the Monarchs roster for the 2026 season over the winter.

Hendrickson gets his first major league call a few days after his 29th birthday. The Australian-born southpaw who makes his home in Kansas City, signed with the Astros organization off the Monarchs spring roster on April 17. It was his first appearance back in affiliated ball since his time with the Phillies organization in 2023. He worked as a starter with Triple-A Sugar Land, going 9 – 7 with a 4.75 ERA with a 22% strikeout rate against a sub-6% walk percentage. He amassed 106 strikeouts in over 113 innings on the bump. A solid strike-thrower averaging 91 mph on his fastball in Triple-A. Hendrickson also pitched one game for Team Australia in the World Baseball Classic. 

Hendrickson joins Julian Garcia as the second former Monarch this season to make his MLB debut. The streamline from Kansas City to the big leagues continues.