Grambling State (4-9, 2-0 Southwestern Athletic) has won in consecutive games for the first time since Feb. 5-7, 2011.
Deonte Hearns had 14 points and 14 boards for Grambling State. Ribeiro and Gray both finished with 14 points.
Hearns made 1 of 2 from the line to put Grambling up 71-69 with six seconds to go in regulation. Tony Armstrong grabbed the rebound and fed Jamel Waters, who went coast-to-coast for a layup, forcing overtime.