The Cincinnati Reds placed rookie right-hander Alexis Diaz on the 15-day injured list on Sunday due to right biceps tendinitis.
The move is retroactive to Thursday.
The Reds also recalled right-hander Dauri Moreta from Louisville and optioned outfielder TJ Friedl to the Triple-A club.
Diaz, 25, is 2-0 with two saves and a 2.40 ERA in 27 relief appearance this season.
Moreta, 26, is 0-1 with a 9.88 ERA in 15 games (one start) this season with Cincinnati.
Friedl, 26, is batting .200 with seven RBIs and five steals in 29 games with the Reds.
–Field Level Media