Dollander underwent an MRI on his left knee Tuesday, Kevin Henry of The Denver Gazette reports.

Dollander said after his start Monday that his sore left knee was beginning to affect his command and velocity, per Henry, so the Rockies pulled him after he made it through five innings of one-run ball. The team brought him in for imaging to determine whether the right-hander's injury is the result of a structural issue, and the results of the test will help determine his availability for his next scheduled start -- tentatively scheduled to come Saturday in San Diego.

The Padres reinstated King (knee) from the injured list ahead of his start Tuesday against the Diamondbacks.

King has been limited to just one start in the majors since May 18 due to problems with his right shoulder and, more recently, left knee. Now that both injuries are no longer an issue, he'll rejoin the Padres' rotation and get to face a D-backs offense that has managed just a .670 OPS over its last 15 games. Alek Jacob was optioned to Triple-A El Paso in a corresponding move.

The Brewers recalled Patrick from Triple-A Nashville to start Tuesday's game against the Rangers.

The right-hander is joining Milwaukee for a spot start, which will be his first big-league appearance since Aug. 24. Patrick has started in 20 of his 21 MLB outings this season and has delivered a quality rookie campaign with a 3.60 ERA, 1.30 WHIP and 106:34 K:BB across 105 innings.

Holmes (elbow) began his throwing program Monday, Grant McAuley of the Marietta Daily Journal reports.

Holmes has already been ruled out for the remainder of this season after he was diagnosed with a partially torn UCL in his right elbow in early August. The goal is for the righty to continue to ramp up his throwing over the next two months and head into the offseason and spring training without restrictions. However, given the nature of Holmes' injury, the possibility of setbacks are there.

Henderson (elbow) is scheduled to throw a bullpen session Sept. 16, Adam McCalvy of MLB.com reports.

Henderson is on the 60-day injured list while recovering from a right flexor strain, an injury that occurred in early August. However, he's made progress in his recovery and the Brewers are hopeful that the rookie right-hander will be available at some point during the postseason.

Mazur is slated to start Tuesday's game against the Nationals in Miami.

Mazur had initially been lined up to start this past Sunday's series finale versus the Phillies, but Miami ended up going with an impromptu bullpen game led off by right-hander Tyler Phillips. Since the Marlins were able to stay away from Mazur in relief that day, he'll end up taking the hill for Tuesday's contest. Through his first three starts with Miami this season, Mazur has gone 0-2 with a 5.74 ERA, 1.53 WHIP and 12:5 K:BB in 15.2 innings.

Soroka (shoulder) is scheduled for a multi-inning rehab outing with Triple-A Iowa on Wednesday, and he could rejoin the Cubs soon after that, Jordan Bastian of MLB.com reports.

Soroka has been out since his first and only appearance for the Cubs back on Aug. 4 after he was acquired from the Nationals prior to the trade deadline. The veteran has been building up in a throwing program as he recovers from a strain to his right shoulder, and the rehab appearance may be his last step in the process. The Cubs also could be grooming Soroka for a long-relief role, as the rotation currently includes Shota Imanaga, Cade Horton, Matthew Boyd and Colin Rea, with Jameson Taillon (groin) set to return from the injured list Wednesday. Soroka's best chance at starting would likely be bumping Rea as the No. 5 starter at some point.

Assad is expected to move to the bullpen later this week with Jameson Taillon (groin) set to return from the 15-day injured list to start Wednesday's game in Atlanta, Jordan Bastian of MLB.com reports.

Assad has made five starts for the Cubs this season after recovering from a strained oblique, turning in a 4.62 ERA and 1.26 WHIP across 25.1 innings. However, Taillon's imminent return leaves Chicago with a full rotation that also includes Shota Imanaga, Cade Horton, Matthew Boyd and Colin Rea. Assad pitched well in a swingman role back in 2023, when he compiled a 3.05 ERA and 1.23 WHIP over 109.1 innings across 10 starts and 22 relief appearances. The righty will likely once again give the Cubs some length out of the bullpen, and he's capable of making a spot start if needed.

Eagen has a 3.77 ERA, 1.33 WHIP and 16:9 K:BB in 14.1 innings across three starts for Double-A Amarillo.

Eagen, a third-round pick in 2024, logged a 2.49 ERA, 1.06 WHIP and 132:41 K:BB in 97.2 innings for High-A Hillsboro before getting promoted to Double-A on Aug. 19. He capped his run at High-A in impressive fashion, striking out 21 over 13 scoreless innings in his final two starts for the Hops. His performance at Double-A has been uneven, and his walk issues from earlier in the year have popped back up. The 6-foot-4 righty works in the low 90s with his four-seamer, but the pitch has excellent movement and plays better than its velocity. Eagen's low-80s curveball is his top put-away pitch, and he'll mix in a solid slider and seldom-used changeup. Eagen is up to 112 total innings in what has been a highly-successful debut season.

Montas will undergo Tommy John surgery on his right elbow Tuesday, Jon Heyman of the New York Post reports.

A full UCL repair had been considered likely, and now it's official. The operation will likely sideline Montas until the 2027 campaign. Montas proved to be a disastrous investment for the Mets, posting a 6.28 ERA in seven starts and two relief appearances, and he will now undoubtedly exercise a $17 million player option for 2026.