Weigel was optioned to Triple-A Gwinnett on Friday.
Weigel has pitched in a pair of spring games after throwing just four rehab innings while recovering from Tommy John surgery last season. He could be a factor in the Braves' rotation later in the year, though he'll have to conquer Triple-A first after struggling to a 5.27 ERA in eight starts for Gwinnett back in 2017.