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Parker Mushinski RP | COL
Rockies' Parker Mushinski: Joins 40-man roster
The Rockies selected Mushinski from Triple-A Albuquerque on Tuesday.
Mushinski re-signed with the Rockies on a minor-league contract in March after being released a few days before. He has notched a 3.38 ERA with a 1.19 WHIP and a 46:17 K:BB through 48.0 innings at Triple-A during 2026. The lefty has not made an appearance in MLB since 2024, when he had a 6.55 ERA and a 1.45 WHIP across 11 innings.
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Brad Lord RP | WAS
Nationals' Brad Lord: Starts up rehab assignment
Lord (side) began a rehab assignment Saturday at Triple-A Rochester, striking out two batters over a perfect inning.
Lord has been on the injured list since July 9 due to left side tightness, but he'll likely need just one or two more appearances in the minors before getting the green light to rejoin the Washington bullpen. Before getting hurt, the right reliever turned in a 3.88 ERA and 1.22 WHIP over 58 innings while gathering five wins, one save and four holds.
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Kyle Backhus RP | PHI
Phillies' Kyle Backhus: Demoted to minors
The Phillies optioned Backhus to Triple-A Lehigh Valley on Tuesday, Todd Zolecki of MLB.com reports.
The Phillies traded for fellow lefty reliever Brooks Raley on Monday, which has pushed Backhus off the active roster. Backhus has logged a 4.95 ERA and 20:6 K:BB over 20 innings with Philadelphia this season.
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Noah Murdock RP | PIT
Pirates' Noah Murdock: Optioned to Indianapolis
The Pirates optioned Murdock to Triple-A Indianapolis on Tuesday.
Murdock made two appearances for the Pirates after getting recalled July 29. He pitched a total of three innings and allowed no runs on three hits and a 4:3 K:BB. He's getting sent down to help make room for Lake Bachar, Luke Weaver and Kirby Yates, who were all acquired in trades Monday. Brandon Eisert was also optioned to Triple-A Indianapolis on Tuesday.
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Nathan Lavender RP | NYM
Mets' Nate Lavender: Added to roster
The Mets selected Lavender's contract from Triple-A Syracuse on Tuesday.
Lavender missed all of 2025 and most of 2024 due to a pair of left elbow surgeries, but he's looked sharp in the minors this season, turning in a 3.27 ERA and 53:11 K:BB over 33 innings with Syracuse. The southpaw will be making his major-league debut when/if he enters a game.
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Nick Pivetta SP | SD
Padres' Nick Pivetta: Departs rehab outing
Pivetta (forearm) was removed from his rehab start with Single-A Lake Elsinore on Tuesday due to an apparent injury, AJ Cassavell of MLB.com reports.
The right-hander was making his first rehab appearance since going down with a forearm strain in mid-April, but he exited Tuesday's game during the middle of an at-bat after throwing a pitch in the fourth inning. The specifics of the situation are unclear, but any sort of significant setback could threaten Pivetta's availability for the rest of the season. The Padres will likely provide an update in the near future.
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Raymond Kerr RP | ATL
Braves' Ray Kerr: Back to full health
Kerr (elbow) allowed one earned run on three hits and no walks while striking out four batters over three innings in two appearances for Double-A Columbus since being assigned to the affiliate Wednesday after being reinstated from Triple-A Gwinnett's 60-day injured list.
Kerr missed the entire 2025 season while recovering from the Tommy John surgery he underwent the previous summer, then opened the season on Gwinnett's injured list after experiencing a setback following his lone relief appearance in the Grapefruit League. The 31-year-old southpaw was cleared to begin a rehab assignment June 14 and made four appearances in the lower levels of the minors before being activated from the IL. After the pair of outings at Double-A, Kerr was promoted to Triple-A on Tuesday.