After winning one game in the series, the Mustangs finish seventh in the Big West Conference.
The Mustangs are now locked into finishing in the bottom two spots of the Big West Conference.
Senior right-hander Lindsey Chalmers became the fourth Cal Poly player to be selected for the regional team multiple times.
Softball pitcher Lindsey Chalmers tossed another complete game shutout in her final appearance at Bob Janssen Field
Senior righthander Lindsey Chalmers also pitched a one-run complete game in the final game of the series.
Cal Poly softball took the final game of their three-game series against UC Riverside with a 2-1 walk-off victory.
The Cal Poly softball team improved its record to 16-13 on the season with two wins over the weekend.