MLB Player News

The Nationals placed Waldron on the 15-day injured list Tuesday, retroactive to Saturday, with chest inflammation.

Waldron has pitched 5.2 shutout innings since joining the Nationals in late August, but the team will now be without his services until at least Sept. 20 as he manages his chest injury. Zak Kent will come up from Triple-A Rochester to replenish Washington's reliever depth.

The Diamondbacks optioned Carrillo to Triple-A Reno on Tuesday.

Carrillo surrendered four runs (three earned) over one-third of an inning Tuesday in Kansas City and will now head back to the minors. The right-hander has a 4.15 ERA, 1.73 WHIP and 21:16 K:BB over 17.1 innings (12 appearances) with the Diamondbacks this year.

Cavanaugh is not in the lineup Tuesday versus the Cardinals, Alex Pavlovic of NBC Sports Bay Area reports.

The Cardinals have southpaw Quinn Mathews taking the mound Tuesday, so the left-handed bat of Cavanaugh will take a breather on the bench. Andrew Knizner is starting behind the dish and is batting sixth.

Gilbert is not in the lineup Tuesday versus the Cardinals, Alex Pavlovic of NBC Sports Bay Area reports.

With the Cardinals sending southpaw Quinn Mathews to begin the game from the mound Tuesday, Gilbert will head to the bench. Jonah Cox will start in center field and bat leadoff.

Lee is not in the lineup Tuesday versus the Cardinals, Alex Pavlovic of NBC Sports Bay Area reports.

Lee has struggled against lefties with a .647 OPS throughout the season, but he has fared better versus righties with .765 OPS. The left-handed bat is getting a breather Tuesday as the Cardinals send southpaw Quinn Mathews to the mound. Grant McCray starts in right field, batting eighth.

The Diamondbacks optioned Cabrera to Triple-A Reno on Tuesday.

The right-hander fired three scoreless frames out of the bullpen Monday in Kansas City and will now be sent down in favor of a fresh bullpen arm. Cabrera has made seven appearances (five starts) for the Diamondbacks this year and has a 4.33 ERA, 1.37 WHIP and 18:10 K:BB across 27 innings.

Salas isn't in the lineup for Tuesday's game against the Nationals.

Salas will move to the bench Tuesday after going 0-for-10 with four strikeouts across his first four games in the big leagues. Freddy Fermin will fill in behind the plate and bat ninth.

The Diamondbacks recalled Strowd from Triple-A Reno on Tuesday.

The right-hander is up for another stint with the Diamondbacks after spending the past month at Triple-A. Strowd has made just one appearance in the majors this season but was a solid bullpen piece for Baltimore last year with a 1.71 ERA, 1.10 WHIP and 24:13 K:BB across 26.1 innings.

The Giants optioned Morgan to Triple-A Sacramento on Tuesday.

Morgan was recalled from Triple-A Sacramento on Sept. 1 but did not appear in a game before getting sent back down Tuesday. In a corresponding move, the Giants recalled Brett Harris.

Kelly is absent from the lineup for Tuesday's game against the Brewers.

Kelly was behind the dish the previous two days for the Cubs, so he'll take a seat Tuesday. Miguel Amaya will do the catch and slot into the No. 9 spot in the batting order.