Ivey cleared waivers Sunday and was outrighted to Triple-A Sugar Land, Chandler Rome of the Houston Chronicle reports.
The Astros optioned Ivey to Triple-A Sugar Land on Thursday, Brian McTaggart of MLB.com reports.
Ivey (elbow) allowed three runs (zero earned) on two hits and two walks while striking out two over 1.2 innings for Triple-A Sugar Land on Sunday.
Ivey (elbow) began a rehab assignment for the Astros' FCL affiliate Saturday, Danielle Lerner of the Houston Chronicle reports.
The Astros transferred Ivey (elbow) on the 60-day injured list Monday, Chandler Rome of the Houston Chronicle reports.
Ivey will miss the rest of the season due to a nerve issue in his elbow, Chandler Rome of the Houston Chronicle reports.
Ivey was called up Wednesday by the Astros and will start Friday's game against the Rangers, Chandler Rome of the Houston Chronicle reports.
Ivey was optioned to Triple-A on Tuesday, Chandler Rome of the Houston Chronicle reports.
Ivey was added to the Astros' 40-man roster Friday, Jake Kaplan of The Athletic reports.
Ivey made one Grapefruit League appearance and struck out two in a scoreless inning.