Auburn improved to 23-17 overall, while Mercer dropped to 21-22.
The Tigers return to action this weekend with a three-game series against the Georgia Bulldogs in Athens. Saturday's doubleheader begins at noon CT. Sunday's finale also starts at noon CT.
Lauren Schmalz started for Auburn and went 2.1 innings, allowing just a pair of hits and striking out three. Anna Thompson earned the win in relief to improve to 13-7. Thompson threw the final 4.2 innings, allowing just one hit and striking out 11..
Jenni Holtz started and took the loss for Mercer to fall to 13-13. In a complete-game effort, Holtz allowed four runs, all earned, on five hits with three walks and eight strikeouts.
Pitching dominated from the start as both teams were held to two hits through the first four innings of play. Lauren Guzman picked up the Tigers' first hit with a single up the middle in the second inning.
Krista Clyde led off the third inning with a single to right, but was left stranded as Holtz retired the next three hitters.
Mercer got the game's first hit with a single from Anna Johnson in the bottom of the first inning. Lilli Luke doubled off Schmalz with one out in the third, but advanced no further after Thompson came in and retired the next two hitters with strikeouts.
The Tigers finally broke through in the sixth inning. Lindsey Harrelson led off the inning with a bunt single and was immediately followed by White who launched her sixth home run of the season over the fence in right-center. The six home runs is a season high for White, eclipsing her previous season best of five set in 2009.
Still in the sixth, Amber Harrison followed with a walk and quickly stole second to move into scoring position. Eisterhold then made it a 4-0 Auburn lead with a two-run shot to right. It was Eisterhold's fifth home run of the season and capped the scoring for the game.