William Kempner: Everything you need to know

The Marlins recalled Kempner from Triple-A Jacksonville on Saturday. Since his demotion to Triple-A on May 6, Kempner has allowed just two earned runs over 10.1 innings while posting a 12:5 K:BB. His strong performance will now be rewarded through another trial in the majors as the roster replacement for Andrew Nardi (ribs).

The Marlins optioned Kempner to Triple-A Jacksonville on Wednesday, Christina De Nicola of MLB.com reports. Kempner was summoned Tuesday from the minors and made his major-league debut in Miami's 9-7 loss to Baltimore with a perfect inning out of the bullpen. He'll make room on the roster for a fresh bullpen arm in Dax Fulton, who was called up from Jacksonville in a corresponding move.

The Marlins recalled Kempner from Triple-A Jacksonville on Tuesday, Christina De Nicola of MLB.com reports. He's grabbing the roster spot vacated by Chris Paddack, who was designated for assignment. Kempner holds a 6.46 ERA this season with Jacksonville but has struck out a whopping 34 batters over 15.1 innings. He will be making his major-league debut when/if he enters a game.