GREENSBORO, N.C. -- Derrell Armstrong scored a career-high 30 points as UNC Greensboro rallied to defeat College of Charleston 78-63 Wednesday night, sweeping the season series.

Aloysius Henry scored 20 of his season-high 22 points in the second half for the Spartans (12-15, 10-5 Southern Conference), who played without injured guard Trevis Simpson, the league's leading scorer.

Trailing 39-33 with 16:27 remaining, UNC Greensboro used a 21-3 run to take control.

The Spartans, who have won 10 of their last 11 following an 11-game losing streak, maintained their North Division lead. UNC Greensboro also defeated the Cougars 73-66 on Jan. 12.

Kyle Randall added 12 points and six assists for the Spartans, who outshot Charleston 48.4 percent (30 of 62) to 35.6 percent (21 of 59) and held the Cougars to 5 of 25 3-pointers.

Trent Wiedeman's 21 points and 18 rebounds led Charleston (16-11, 8-8), which ended its three-game winning streak.