LMU posted a 21-3 victory over top-seeded San Diego on Thursday at the WCC Championship Tournament.
Portland hit two homers, including a go-ahead inside-the-park home run in the seventh, to beat the Lions.
Trevor Megill tossed a career-high eight innings and allowed only an unearned run in a victory over Portland on Saturday.
Sophomore J.D. Busfield converted his 13th save of the year, matching the LMU record set by Darryl Scott in 1988.
LMU held off Pacific on Sunday to earn a 3-2 victory and the series over the Tigers.
Sixth-year head coach Jason Gill previews the 2014 LMU baseball season.
2015 WCC Baseball Championship - Championship Game vs. Pepperdine
Final game of three-game WCC series at Page Stadium
Non-conference match-up from Page Stadium
Series finale from Page Stadium.
LMU Baseball vs Saint Joseph's | February 21, 2015
Photos by Glenn Marzano