The Nationals selected Reifert with the fifth pick in the Rule 5 draft Wednesday, JJ Cooper of Baseball America reports.
Double-A Montgomery reinstated Reifert (undisclosed) from its 7-day injured list Sunday. He struck out and allowed one hit over a scoreless inning in Montgomery's 7-0 win over Biloxi.
Reifert was placed on the 7-day injured list with Double-A Montgomery on April 16.
Reifert (shoulder) allowed seven runs on one hit and 15 walks while striking out five across 7.2 frames in 2023 across stops at High-A Bowling Green and the Florida Complex League.
Reifert (shoulder) has yet to pitch in 2023 due to inflammation in his right shoulder.
Reifert is on the 7-day injured list at Double-A Montgomery with right shoulder inflammation, Sam Dykstra of MLB.com reports.
Reifert was reassigned Thursday to minor-league camp, Neil Solondz of the Rays Radio Network reports.