The addition of López, scheduled to start Wednesday against the AL East-leading Rays, means the Braves will have to put one of their other six starters into a relief role.
Atop the NL East by four games, the Braves arrived in Philadelphia on Wednesday night with plenty of time to reset their focus toward four games against the rival Phillies.
Braves reliever Blake Burkhalter was optioned to Triple-A Gwinnett Wednesday after his MLB debut, while reliever Elieser Hernández was called up to the major-league roster.
After plenty of signs of offensive life, there is hope that the Gold Glove-winning catcher can be a major boost to the Braves as they hunt down another division title.