Campbell improves to 39-9 overall and 16-5 in Big South games with the win, while High Point dpis to 23-24 on the year and 10-8 in conference play. With the series win, the Camels clinch a spot in the Big South Conference Tournament.
The Camels evened the series Saturday with a 3-2 win after HPU took Friday's opener 3-1.
Olson went 2-for-4 on the day, driving in Campbell runs in the seventh and ninth, Graham posted three hits, including two doubles, reaching base five times in the win. Elijah Trail also registered a pair of sacrifice flies to plate two for the Camels.
McQuown led off the afternoon with a base hit to right. After stealing his 44th base, the senior scored on a High Point error. Brent Graham then scored on an Elijah Trail sacrifice fly, giving Campbell a 2-0 lead after its first at-bat.
HPU scratched one across in the second, scoring on a Campbell miscue to make it 2-1. The Panthers tied it up in the fourth on Dane McDermott's sacrifice fly.
With two out in the top of the fifth, Graham's second double of the day sparked a Camel rally, with Campbell regaining the lead on Michael Felton's RBI single.
After Ben McQuown led off the top of the seventh with a walk, Olson later brought him home. Trail followed with a sacrifice fly to score Graham, making it 5-2 Camels.
Graham led off the ninth with a single through the left side, the first of three Campbell hits to lead off the inning. The third knock, off the bat of Olson, brought home the senior infielder. Felton then scored on a passed ball to make it 7-2.
Matt Marksberry earned the win in relief to move to 7-2 on the season, going 3 1/3 innings with a run on two hits, three strikeouts and two walks.
Ryan Thompson earned his eighth save, going three innings after picking up the win Saturday night. The junior righty did not allow a baserunner, striking out one. He needed just 22 pitches.
Campbell starter Hector Cedano went 2 2/3, allowing one unearned run on two hits with three walks and a strikeout.
Malcolm Clapsaddle fell to 1-4 with the loss, pitching six innings, allowing three runs, two earned, on seven hits with four strikeouts. Sean Townsley worked an inning, allowing two runs, one earned with a pair of walks. Jared Avidon also tossed 2/3 of an inning with two walks.
Joe Goodman surrendered two runs, one earned, on three hits with a punchout, while Mike Krumm struck out one in 1/3 of an inning.
Dane McDermott led HPU with a 1-for-3 day, adding a RBI for the Panther, who recorded only one hit after the fourth inning.
The Camels will head to the College of Charleston for their final midweek test, taking on the Cougars on Tuesday, May 7. Campbell then returns home for its final six regular season contests, beginning with Liberty on May 10.
The Liberty series, originally slated for a Saturday doubleheader, has been pushed to a single contest, with the finale on Sunday at 1 p.m. due to Campbell University Spring Commencement ceremonies. Saturday's game will be a 6 p.m. start at Jim Perry Stadium. Friday's game remains a 5 p.m. start.