Yordan Alvarez remains the one non-negotiable problem for any Astros opponent — he's running away with the AL lead in homers and RBI and his bat alone keeps Houston's lineup dangerous no matter what the rotation is doing. But this Astros team is dealing with real attrition beyond the mound: Brice Matthews left Sunday's game with a knee injury and Carlos Correa is out for the year after ankle surgery, both chipping away at a defense and lineup that already can't afford more subtractions.
- 10-Day-ILBlaze Alexander (3B) — Alexander (hand) does not have a timeline on a return from the 10-day injured list, Jacob Calvin Meyer of The Baltimore Sun reports.07/17
- 15-Day-ILRyan Helsley (RP) — Helsley was diagnosed with inflammation around the UCL in his right elbow Saturday, Matt Weyrich of The Baltimore Sun reports.07/11
- 60-Day-ILChris Bassitt (SP) — The Orioles transferred Bassitt (back) to the 60-day injured list Friday, Jake Rill of MLB.com reports.07/18
- 60-Day-ILKeegan Akin (RP) — Akin (elbow) underwent Tommy John surgery Wednesday, Jake Rill of MLB.com reports.07/15
- 60-Day-ILFelix Bautista (RP) — Orioles president of baseball operations Mike Elias said Saturday that Bautista (shoulder) has been "throwing really, really well" in his bullpen sessions, Jake Rill of MLB.com reports.06/29
- 60-Day-ILColin Selby (RP) — Selby plans to receive a second opinion on his right shoulder before continuing his rehab program, Jake Rill of MLB.com reports.06/29
- 60-Day-ILRyan Mountcastle (1B) — Mountcastle (foot) did some running Saturday, Roch Kubatko of MASNSports.com reports.06/13
- 60-Day-ILJordan Westburg (3B) — Westburg (elbow) underwent Tommy John surgery Wednesday, Andrew Golden of TheBanner.com reports.05/15
- 10-Day-ILBrice Matthews (CF) — The Astros announced that Matthews was removed from Sunday's game against the Rangers after the first inning due to a left knee injury, Matt Kawahara of the Houston Chronicle reports.07/17
- 15-Day-ILMike Burrows (SP) — General manager Dana Brown said Wednesday that Burrows (elbow) is expected to begin throwing off a mound within the next 7-to-10 days, Chandler Rome of The Athletic reports.07/15
- 60-Day-ILRonel Blanco (SP) — Blanco (elbow) will make another rehab start at Triple-A Sugar Land on Sunday, Matt Kawahara of the Houston Chronicle reports.07/11
- 60-Day-ILBennett Sousa (RP) — Sousa (elbow) struck out one over a scoreless inning in a rehab appearance Sunday with Triple-A Sugar Land.07/07
- 60-Day-ILHayden Wesneski (SP) — Wesneski (elbow) struck out three and allowed one earned run on two hits and one walk across four innings Sunday in a rehab start with Double-A Corpus Christi. He also hit a batter and threw two wild pitches.07/07
- 60-Day-ILBrandon Walter (SP) — The Astros announced Friday that Walter (elbow) is in the midst of a throwing progression at the team's complex in West Palm Beach, Fla., Chandler Rome of The Athletic reports.06/04
- 60-Day-ILCarlos Correa (SS) — Correa is scheduled to undergo surgery Monday in Houston to repair the tendon in his left ankle, Brian McTaggart of MLB.com reports.06/02
Baltimore's not exactly whole either — Chris Bassitt, Felix Bautista and Jordan Westburg are all out long-term, and the bullpen has taken hit after hit. But whatever's clicking right now for the O's is clicking anyway, and a team playing loose in a lost season is a genuinely tricky out for a club like Houston that's supposed to be playing playoff baseball and instead looks unsettled.
Weekend series like this rarely get circled on the calendar, but there's a real storyline underneath it: does Baltimore's summer surge have staying power, and can Houston's rotation hold up long enough to keep the Astros in the AL West picture. Saturday's first pitch is 3:10 PM CT, and both questions get another data point either way.