Burrows struck out five and permitted one hit and two walks over 4.2 scoreless innings in a rehab start with Triple-A Sugar Land on Thursday.
Lambert (8-7) allowed nine runs on eight hits and two walks while striking out three batters over 3.2 innings in a loss to the Angels on Thursday.
Kirby (8-10) took the loss against the Brewers on Thursday, allowing six runs on nine hits and two walks with three strikeouts over 3.1 innings.
The Mariners are expected to select Anderson's contract from Double-A Arkansas to start Saturday's game against the Cubs, Jeff Passan of ESPN.com reports.
The Astros designated Velazquez for assignment Thursday.
The Astros recalled Delgado from Triple-A Sugar Land on Thursday.
Walker isn't in the lineup for Thursday's game against the Angels, Chandler Rome of The Athletic reports.
Diaz isn't in the lineup for Thursday's game against the Angels, Chandler Rome of The Athletic reports.
Woo (shoulder) threw his normal between-starts bullpen session Thursday, Zach Sweet of MLB.com reports.
Raleigh is absent from the lineup for Thursday's contest in Milwaukee.
Caesar’s. Despite stumbling a bit of late, this is a soft line for Framber Valdez, especially at home. The lefty owns a 2.21 ERA in Houston, and has cleared this line in 11 of 14 starts. Even against a hot Mariners lineup, I expect the Astros to lean on their ace in a crucial spot.
