Williams also registered a pair of steals, while Alex Kirk added 15 points and six rebounds as the Lobos (11-0) remained undefeated.
Also helping out in New Mexico's win were Chad Adams (13 points, 10 boards) and Tony Snell (10 points).
The Aggies (5-5) got 14 points from Daniel Mullings and 11 rebounds from Tyrone Watson.
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