If the right-hander isn't on Atlanta's 25-man roster by June 15, Resop can ask the Braves to inform the other 29 teams that he is available. Interested clubs will then have 72 hours to respond, if they are willing to bring him to the majors immediately.
If one club is willing, Resop will become property of that team.
If multiple clubs are interested, the Braves will make the ultimate decision as to where he goes.
That is a curious out-clause in a contract. Seeing as how Resop is 4-and-1 with a 2.03 ERA and a 1.13 WHIP in 9 starts for the Gwinnett Braves, including 56 strikeouts in 48.2 innings pitched, the Braves would be fools not to call Resop up and see if he can continue that success in the Majors. He could fill in for a starter if needed or more likely he could replace Jesse Chavez as the long man in the bullpen. He has a great fastball, so he could also be used in setup-type situations.
Swapping Resop in the bullpen for the 7.23 ERA of Chavez seems like a no-brainer... I actually don't know what the Braves are waiting for. Send Chavez down and let him work through his problems. Maybe even stick him in the rotation like they did Resop and let him figure some stuff out.
By the way, one would think that it's just a matter of time before another reliever in Gwinnett gets his shot in the Atlanta pen. Michael Dunn has been amazing this year. He's allowed just one run in 19.1 innings of work for an 0.47 ERA, striking out 24.