Robertson was perfect from the floor, hitting all 12 of his shots but it was Alvarez and Ross Cummings, who had 14 points, who saved the day.
Cummings, who had eight rebounds and seven assists, hit a 3-pointer with 4.1 seconds to go in regulation to tie the game at 68. The Mocs were trying to foul to avoid a potential game-tying 3-pointer.
Alvarez made 1 of 2 free throws to tie the game with 1:25 to go in OT. After a Chattanooga miss, Alvarez made a layup. He then went 4 for 4 from the foul line to secure the win.
James Glisson III had 11 points for Mercer (15-9, 8-8 Southern Conference).
Mercer scored 25 points in the first half, a season low for the team.
The Bears evened the season series against the Mocs. Chattanooga defeated Mercer 83-80 on Jan. 13.
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Elements of this story were generated by Automated Insights, http://www.automatedinsights.com/ap, using data from STATS LLC, https://www.stats.com
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