Oakland, CA (SportsNetwork.com) - Coco Crisp scored the go-ahead run on a Joe Smith wild pitch in the bottom of the eighth inning and the Oakland Athletics tied the Los Angeles Angels of Anaheim atop the AL West with a 2-1 win.
Oakland's Jon Lester and the Angels' C.J. Wilson dueled through the first seven innings.
Crisp singled off Smith (5-2) to begin the eighth and moved to third base on consecutive groundouts. Smith was then wild with his command, hitting Derek Norris before throwing the errant pitch.
Luke Gregerson (3-2) picked up the win after retiring the Angels in order in the top of the eighth. Sean Doolittle worked around a two-out single by Howie Kendrick in the ninth to earn his 20th save.
Oakland will look to complete the three-game sweep and reclaim sole possession of first place on Sunday.
The A's opened the scoring in the second, as Jonny Gomes came around on a Sam Fuld single. Alberto Callaspo was erased in a rundown on the play, and Oakland later had a runner thrown out at the plate.
Josh Donaldson led off the sixth with a walk and tried to score on a Norris double to left field, but was called out on a bang-bang play. The A's challenged the call, which was upheld by replay.
The Angels tied it in the seventh when Kendrick doubled and scored on an Erick Aybar single.