The Pirates recalled Simon from Triple-A Indianapolis on Saturday.
Simon was sent down to Triple-A on Friday following Ryan O'Hearn's return from the injured list, but the former will turn around and rejoin the big club with Esmerlyn Valdez (hamstring) landing on the IL. Simon logged just one plate appearance during his previous week-long stint with the Bucs and will likely continue to serve as bench depth until Valdez is healthy.