Astros' Peña caps ALDS sweep with HR in 18th

by Daryn Albert - Jeremy Peña hit a home run in the 18th inning -- tied for the most in MLB postseason history -- as the Astros swept the ALDS against the Mariners.

Jeremy Peña hits 18th-inning homer as Astros sweep Mariners 10:41 PM ET ESPN Jeremy Peña 's solo home run to lead off the top of the 18th -- the first run of the game for either team -- sent the Houston Astros to their sixth consecutive ALCS with a sweep of the Seattle Mariners on Saturday. The game tied a major league record for the longest game by inning in MLB postseason history. It also featured 498 total pitches with a postseason-record 42 combined strikeouts thrown by 18 pitchers. Pena had been 0-for-7 prior to his blast off Mariners reliever Penn Murfee . Luis Garcia pitched five innings of relief, striking out six, to earn the victory for Houston.