The Philadelphia Phillies purchased John Ennis’ contract from Lehigh Valley. However, Ennis was immediately placed on the 15-day disabled list because he is recovering from April Tommy John surgery. To make room on the 40-man roster, Brad Harman was designated for assignment.
Having a player on the 40-man roster who is on the disabled list allows a non-roster player to be added to the postseason roster. A player must be in the organization on August 31 to be added to the playoff roster.