Saupold was optioned to Triple-A Toledo on Thursday, Evan Woodbery of MLive.com reports.
With Bruce Rondon being reinstated from the paternity list, Saupold will head back to Triple-A after a brief stint with the Tigers. He was only up with the Tigers for one day and he did not make an appearance during his stint. Saupold has a 2.88 ERA over 56.1 innings at Triple-A this season.