The Pirates optioned Priester to Triple-A Indianapolis on Wednesday.

Priester (0-4) took the loss Tuesday against Milwaukee, allowing four runs on nine hits and two walks during six innings. He struck out five.

Priester (0-3) was hit with the loss Tuesday versus the Angels, allowing five runs (three earned) on seven hits and two walks while striking out one batter in 4.2 innings.

Priester (0-2) took the loss Wednesday as the Pirates were downed 4-0 by the A's, giving up three runs (two earned) on five hits and four walks over six innings. He struck out three.

Priester struck out six and gave up three hits and one walk over six scoreless innings during Friday's 3-0 loss in San Francisco. He didn't factor in the decision.

Priester is slated to make his next appearance as the starting pitcher for Friday's game against the Giants in San Francisco, Alex Stumpf of MLB.com reports.

Priester is no longer scheduled to start Wednesday's game against the Brewers, as Pirates manager Derek Shelton confirmed that Josh Fleming will get the nod instead, Kevin Gorman of TribLive.com reports.

Priester is scheduled to start Wednesday's game against the Brewers at PNC Park.

Priester (0-1) took the loss Friday, giving up five runs (four earned) on seven hits -- including three home runs -- and a walk over 4.1 innings as the Pirates were routed 8-1 by the Red Sox. He struck out two.

Priester was recalled from Triple-A Indianapolis and is starting Friday's game against the Red Sox.