MARSHALL, Minn. -- In front of the "Red Out" crowd, No. 1 Southwest Minnesota swept of Mary Marauders 25-16, 25-9, 25-17. With the victory, SMSU improves to 20-1 overall, 12-1 in NSIC play, while U-Mary drops to 3-17 overall, 3-10 in NSIC play.

The match marked the second-annual "Red Out", an event that promotes heart disease awareness in men and women.

The Mustangs took advantage of a Marauders team that struggled passing the ball as SMSU posted a .436 attack percentage, its highest of the season.

Devin Diedrich led SMSU with a match-high 12 kills on a .667 attack percentage with no errors. Freshman Abbey Thissen followed Diedrich with 11 kills on a .562 attack percentage. Emilee Gutzmer provided 31 assists, while Rachel Westby led the defense with 11 digs.

SMSU tied a season-high mark with nine aces in the contest. The Mustangs recorded nine aces earlier this season versus MSU Moorhead and Winona State.

The Mustangs have defeated the Mauraders for seven consecutive matches dating back to 2006.