| Date | News | Comment |
| Jun 28 2025 | Atlanta optioned Petersen to Triple-A Gwinnett following Friday's 13-0 loss to Philadelphia. | ROTOWIRE RECOMMENDS: Atlanta will replenish its bullpen by sending Petersen back down to Triple-A while recalling Kevin Herget. Petersen was recalled by Atlanta on Thursday, and across two bullpen outings he allowed one run on four hits and two walks while striking out three in 3.2 innings. |
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| Jun 26 2025 | Atlanta recalled Petersen from Triple-A Gwinnett on Thursday. | ROTOWIRE RECOMMENDS: Atlanta will send left-hander Austin Cox to Triple-A in a corresponding move while the right-handed Petersen takes his spot in the bullpen. Petersen has previously made two appearances for Atlanta this season, giving up two earned runs on three hits and no walks over three innings. |
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| May 30 2025 | Atlanta optioned Peterson to Triple-A Gwinnett on Friday. | ROTOWIRE RECOMMENDS: The right-hander was promoted for Thursday's doubleheader against the Phillies and will return to the minors after giving up two runs over one inning. Peterson has a 2.45 ERA, 1.62 WHIP and 17:4 K:BB over 14.2 innings with Gwinnett this season. |
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| May 29 2025 | Atlanta recalled Petersen from Triple-A Gwinnett on Thursday. | ROTOWIRE RECOMMENDS: Petersen will come up from the minors to give Atlanta some extra bullpen depth for the second game of Thursday's twin bill in Philadelphia. He's turned in a 2.45 ERA and 1.62 WHIP across 14.2 Triple-A innings since joining the organization at the start of April, and with AJ Smith-Shawver (elbow) moving to the injured list in a corresponding move, there's room on the active roster for Petersen to remain in Atlanta for a few more days if he performs well. |
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