Bradford signed a minor-league contract with the Braves on Tuesday, Jeff Passan of ESPN.com reports.
Bradford (elbow) announced Tuesday via his personal Twitter account that he has resumed throwing bullpen sessions.
Bradford (elbow) was outrighted to Triple-A Tacoma on Monday.
Bradford underwent Tommy John surgery, Ryan Divish of The Seattle Times reports.
Bradford (elbow) is feeling better according to manager Scott Servais, but he's yet to resume throwing, Sarah Wexler of MLB.com reports.
Bradford (elbow) was transferred to the 60-day injured list on Sunday.
Bradford was diagnosed with a Grade 1 right elbow strain after undergoing an MRI on Tuesday, Greg Johns of MLB.com reports.
Bradford was placed on the 10-day injured list Monday with a right forearm strain, Ryan Divish of The Seattle Times reports.
Bradford was called up from Triple-A Tacoma by the Mariners on Friday, Ryan Divish of The Seattle Times reports.
Bradford was optioned to Triple-A Tacoma on Friday.