The two connected for scores from 10, 43, and 35 yards as coach Bobby Hauck won his first game with UNLV (1-3, 1-1 Mountain West).
Clayton finished 14 of 20 with 194 yards passing, while Johnson had 138 yards on eight catches as the Rebels scored 45 straight points after trailing New Mexico (0-4, 0-2) by a touchdown in the first quarter.
Tarean Austin, New Mexico's first true freshman starting quarterback since 1988, finished 17 of 40 for 177 yards with a touchdown and two interceptions.
SEC Network highlights Gator student-athletes graduating this weekend, including gymnast Bridget Sloan and linebacker Jelani Jenkins.
SEC Network's Marcus Spears and Kevin Weidl break down the best fit, top value and Saturday sleeper after Day 2 of the 2016 NFL Draft.
Former Auburn OT Shon Coleman, who was diagnosed with leukemia in 2010, speaks at St. Jude Children's Research Hospital about being drafted by the Browns.
Former Florida DE Jonathan Bullard discusses reaching his dream of being drafted as he was selected in Round 3 by the Chicago Bears.
SEC Network's Marcus Spears and Kevin Weidl react to the Tide players taken on Day 2 of the NFL Draft and predict what's in store for Henry and Ragland.
Edward Aschoff and Paul Finebaum break down what's going on at Ole Miss following Laremy Tunsil's admission that he took money from an Ole Miss official.