Robert, 21, was off to a monster start at advanced Class-A Winston-Salem, hitting .453 with eight homers, 24 RBIs and a 1.432 OPS in 19 games. He was the No. 37 prospect in the game entering this season, according to MLB Pipeline.
Burdi, 24, was promoted after logging just three innings in three appearances at Class-A Kannapolis. Burdi had Tommy John surgery in 2017, then posted a 2.84 ERA in seven appearances in rookie ball to close 2018. He had reached Triple-A before being sidelined with his elbow injury two years ago.