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The Royals placed Altavilla on the 15-day injured list Thursday with a right oblique strain, Anne Rogers of MLB.com reports.

Advice: The reliever was injured during an appearance in Wednesday's game against the Athletics. It's not clear how long Altavilla might be sidelined, but often oblique strains result in longer than minimum stays on the IL. Rotowire.com 16 minutes ago

Gray (elbow) struck out five over five innings while allowing two earned runs on three hits and three walks in his rehab start Wednesday with Double-A Harrisburg.

Advice: After building up to 79 pitches in what was the third start of his rehab assignment, Gray looks to be on the cusp of making his return from the 15-day injured list. According to Bobby Blanco of MASNSports.com, Gray reported back to Washington on Thursday and said he felt good following his latest rehab start, but the Nationals haven't yet decided whether he'll remain on assignment or rejoin the big-league rotation. If Washington chooses to activate Gray along with keeping a five-man rotation intact, the struggling Patrick Corbin could be sent to the bullpen to make room for the right-hander. Gray could be an option to start for the Nationals as soon as Monday in San Diego. Rotowire.com 49 minutes ago

Muller (shoulder) is scheduled to throw a bullpen session Sunday, MLB.com reports.

Advice: The left-hander began a throwing program June 6, and he appears to be progressing through it without setbacks. If all goes well with Sunday's bullpen session, Muller is slated to head out for a rehab assignment with Triple-A Las Vegas at some point during the following week. Rotowire.com Today, 9:52 am

Corniell will undergo season-ending surgery to repair the UCL in his right elbow, Evan Grant of the Dallas Morning News reports.

Advice: Corniell has been sidelined all season with an elbow issue. While it was initially referred to as inflammation when he went on the Double-A Frisco 7-day injured list back in early April, subsequent testing has revealed the bad news. It's not yet clear whether Corniell will have a full Tommy John surgery or internal brace procedure, but in either case he is done for 2024 and is likely to miss at least a large chunk, if not all, of 2025, as well. Rotowire.com Today, 9:07 am

Freeland (elbow) struck out four over four innings in his third rehab start Tuesday with Triple-A Albuquerque, giving up two earned runs on two hits and four walks.

Advice: Freeland tossed four innings of one-run ball in his first rehab outing with Albuquerque on June 13, but he wasn't quite as sharp in his second turn through the Triple-A rotation, spotting 42 of his 67 pitches for strikes while walking four of the 18 batters he faced. Though Freeland looks to be stretched out to close to a traditional starter's workload, the Rockies may want the left-hander to raise his pitch count a bit more and show improved control in one more outing with Albuquerque before bringing him back from the 60-day injured list. The Rockies already seem to be ruling out Freeland for a return this weekend; the team is listing Dakota Hudson, Cal Quantrill and Austin Gomber as its starters for the series with the Nationals that runs Friday through Sunday, according to Bobby Blanco of MASNSports.com. Rotowire.com Today, 8:31 am