Houston Astros right-handers Jose Urquidy and Cristian Javier each are scheduled to undergo right elbow surgery and miss the remainder of the season.
Surgery for Urquidy is planned for Wednesday; Javier will have surgery Thursday, the team announced.
Urquidy, who has been on the injured list since the start of the season, left his third rehab start after experiencing discomfort in his right forearm area.
Urquidy, 29, is 27-16 with a 3.98 ERA in 79 games (70 starts) over five seasons with the Astros.
Javier, 27, posted a 3-1 record with a 3.89 ERA in seven starts this season before being placed on the injured list May 24.
He is 33-18 with a 3.59 ERA in 116 career appearances (82 starts) with the Astros since making his major league debut July 25, 2020.