MLB Player News

Miller (back) is expected to be activated from the 15-day injured list Saturday, Alex Pavlovic of NBC Sports Bay Area reports.

Miller has made two appearances with Triple-A Sacramento during his minor-league rehab assignment, combining to pitch two scoreless innings while striking out three batters. The southpaw will make his return to the major-league roster after the minimum 15 days on the injured list, and he should immediately be back in the mix for save chances with San Francisco.

Naughton will undergo surgery next month to repair the damaged UCL in his left elbow, Derrick Goold of the St. Louis Post-Dispatch reports.

Naughton has been sidelined at Triple-A Memphis since early April due to elbow trouble, and he's now officially opted to undergo surgery for the third time in the last two years. A timeline for his return will emerge after his procedure, though there's a strong chance that he will end up missing most, if not all, of the remaining 2026 schedule.

Mlodzinski (3-3) earned the win Thursday over the Rockies, allowing two runs on four hits and three walks over five innings. He struck out two.

After Mason Montgomery and Evan Sisk combined to blank Colorado through two innings, Mlodzinski entered in the third with the Pirates already ahead 3-0. The 27-year-old Mlodzinski has had an up-and-down year overall, but he's now allowed just two runs in each of his past two outings. The right-hander's ERA sits at 4.40 with a 1.44 WHIP and 43:16 K:BB across 45 innings this season.

Brash (lat) will begin a rehab assignment with Triple-A Tacoma on Thursday, Daniel Kramer of MLB.com reports.

Brash resumed throwing off the mound earlier this week and is now ready to test things out in a game setting. The setup reliever has been out for all of May with right lat inflammation but appears close to a return if he can avoid a setback.

The Mariners optioned Simpson to Triple-A Tacoma on Thursday.

Simpson pitched one-third of an inning against Houston on Wednesday and will now make his return to Triple-A in order to make room for Jose Ferrer's return from the paternity list. Simpson made three appearances after being called up May 4, registering a 7.71 ERA with three strikeouts.

The Mariners activated Ferrer from the paternity leave list Thursday.

Ferrer missed the first three games of the series against the Astros as he welcomed a new baby to the family, but he'll be available for Thursday's finale. The hard-throwing southpaw has been terrific in his first season as a setup man in Seattle, boasting a 1.80 ERA and 16:3 K:BB over 20 innings.

Bolton struck out four and allowed two earned runs on two hits and three walks over two innings of relief Sunday in the Astros' 5-0 loss to the Reds.

After being activated from the injured list April 30, Bolton made a one-inning relief appearance later that day before he was called upon to start three days later in the Astros' series finale in Boston. He covered just 2.1 innings in that start and then went unused for a week before the Astros turned to him this past Sunday to fill innings behind starter Kai-Wei Teng, who was chased from the game after covering the first three frames. The Astros are continuing to run a six-man rotation this week, but with Teng on track to get another start Saturday, Bolton looks like he'll stick in the bullpen. Through six appearances (three starts) on the season, Bolton has submitted a 5.27 ERA, 1.90 WHIP and 18:12 K:BB over 13.2 innings.

The Rockies placed Herget on the 15-day injured list Thursday with a right shoulder impingement, Thomas Harding of MLB.com reports.

Herget just returned from the bereavement list Tuesday and is now out for at least the next couple weeks. Tanner Gordon will absorb Herget's spot on the Rockies' active roster.

Mlodzinski is slated to pitch in bulk relief behind opening pitcher Mason Montgomery in Thursday's game against the Rockies in Pittsburgh, Colin Beazley of the Pittsburgh Post-Gazette reports.

Mlodzinski will work behind an opener for the second time this season, with the right-hander having previously followed Montgomery in an April 15 game against the Nationals. The arrangement didn't end up suppressing Mlodzinski's workload; in fact, the 27-year-old covered six innings in that game against Washington, matching his longest appearance of the season. Montgomery is likely to work just an inning or two before handing the ball over to Mlodzinski, who takes a 4.50 ERA and 1.45 WHIP into Thursday's contest.

The Marlins optioned Ekness to Triple-A Jacksonville on Thursday.

Ekness held his own in his first stint in the big leagues, allowing one run with a 5:5 K:BB in 5.1 innings. The hard-throwing righty could eventually settle into a high-leverage relief role for Miami, but he'll head back to Jacksonville for now to accommodate the arrival of Braxton Garrett.