Waldrep, 22, reported soreness following his second major league appearance on Sunday against the Tampa Bay Rays.
He surrendered six earned runs on five hits and four walks in 3⅓ innings in Atlanta’s 8-6 loss against the Rays.
A first-round pick in 2023, Waldrep fell to 0-1 with a 16.71 ERA through two starts for the Braves.
The Braves also recalled outfielder Forrest Wall and right-hander Daysbel Hernandez from Triple-A Gwinnett and optioned outfielder J.P. Martinez to Gwinnett.
