Max Stassi had sports hernia surgery on Thursday.
Astros prospect Max Stassi is being evaluated for a possible sports hernia.
Astros acquired C Max Stassi from the Athletics in a five-player trade.
Max Stassi reached five times for Single-A Stockton on Tuesday, finishing 3-for-3 with a double and two walks.
Athletics prospect catcher Max Stassi exited Tuesday's game against the Rangers due to a right knee contusion.