TACOMA, Wash. (AP) -- D.J. Peterson hit a walk-off single with one out in the 12th inning, as the Tacoma Rainiers defeated the Oklahoma City Dodgers 5-4 on Monday.

Guillermo Heredia scored the game-winning run after he reached base with a single, advanced to second on a walk by Rob Brantly and then went to third on an error.

Earlier in the inning, Norichika Aoki scored on an error to tie the game 4-4.

The Dodgers took a 4-3 lead in the top of the 12th when Charlie Culberson hit an RBI single, scoring Micah Johnson.

Guido Knudson (1-0) got the win in relief while Layne Somsen (0-2) took the loss. For the Dodgers, Austin Barnes homered and singled, driving in two runs.