Mendick (back) was reinstated from the 10-day injured list Friday.
Mendick was placed on the injured list in early May with back soreness and only needed two rehab starts before being activated. During those two Triple-A games, Mendick went 0-for-8 with two walks and a run scored. He'll replace Braden Shewmake on the big-league roster and could see immediate action at third base with Bryan Ramos also headed to the 10-day IL with a strained left quad.