On July 31, 2013 — The Rangers complete a three-game sweep of the Angels when Adrian Beltre hits a walk-off homer in the 9th for a 2- 1 win; on the 29th, A.J. Pierzynski and Geovany Soto homered in the 9th in a 4 – 3 win and yesterday, it was Leonys Martin who ended the game on a three-run shot in the 10th. In 1999, the Diamondbacks had swept the Expos with three walk-off blasts, the only other recorded instance of such a series.
Source:
Baseball Reference July 29
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