Atlanta optioned Herget to Triple-A Gwinnett on Monday.

Herget's latest stint in the big leagues lasted a little less than a week and he was charged with one run over three innings covering two relief appearances. He's the roster casualty as Atlanta makes room for Reynaldo Lopez, who will return from the injured list to start Tuesday versus the Phillies.

Triple-A Louisville placed Richardson on the 7-day injured list Sunday.

It's not clear what injury the right-hander is dealing with or how long he might be sidelined. Richardson has spent most of the season in Louisville's rotation but had been used in long relief in each of his last three appearances, allowing five runs over eight frames.

The Reds optioned Legumina to Triple-A Louisville on Monday.

Legumina's latest stint in the majors lasted one day, as he allowed four runs over two relief innings in Sunday's loss to the Royals. He's clearing out to make room on the roster for right-hander Julian Aguiar, who was called up from Triple-A to start Monday's contest in Toronto.

The Marlins selected Oller's contract from Triple-A Jacksonville on Monday.

Oller will start Monday's contest against the Diamondbacks after posting a 2.88 ERA and 24:7 K:BB over 25 innings covering three starts and three relief appearances with Jacksonville. Given the state of the Marlins' rotation, Oller is a candidate to make multiple starts.

The Marlins optioned Soriano to Triple-A Jacksonville on Monday.

Soriano permitted four runs over eight relief innings during his most recent stint in the majors. Adam Oller will absorb his roster spot.

The Diamondbacks outrighted Vieira to Triple-A Reno on Aug. 2.

Though Vieira remains a member of Arizona's organization after clearing waivers earlier this month, he has yet to pitch for Reno since being cast off the 40-man roster. Reno placed him on its restricted list Aug. 9 for unspecified reasons.

The Diamondbacks outrighted Jacques to Triple-A Reno on July 30.

Jacques ended up sticking around in the Arizona organization after he cleared waivers upon being designated for assignment July 26. Since reporting back to Reno on Aug. 3, Jacques has given up five runs (three earned) while striking out seven across five innings over five relief outings.

The Diamondbacks outrighted Hughes to Triple-A Reno on Aug. 2.

Arizona previously optioned Hughes to Triple-A on June 29, only to move him off the 40-man roster entirely just over a month later. Since being sent back to Reno in late June, Hughes has accrued a 1.26 ERA, 1.40 WHIP and 17:4 K:BB over 14.1 innings.

The Diamondbacks outrighted Castellanos to Triple-A Reno on Friday.

As expected, Castellanos cleared waivers after Arizona designated him for assignment Aug. 11. Since he had been previously outrighted, Castellanos could have elected free agency, but he'll instead stick around in the organization with the hope of earning a call-up to Arizona later on this season. Castellanos worked out of the bullpen for his seven appearances with the big club earlier in 2024 but has been a regular member of the rotation at Reno, with whom he's compiled a 4.39 ERA and 1.24 WHIP across 67.2 innings over 15 outings (14 starts).

Treinen (hip) made a rehab appearance for Double-A Tulsa on Saturday, retiring all three batters he faced via strikeout.

Treinen landed on the 15-day injured list Aug. 5 with left hip discomfort, but after turning in a dominant rehab appearance over the weekend, he looks on track to return to the Dodgers bullpen when first eligible Tuesday. Before he was deactivated, Treinen had turned in a 2.67 ERA, 1.09 WHIP and 38:9 K:BB over 30.1 innings for the big club while gathering five wins, nine holds and one save.