Henrique Machado also swam back on the first-place 200 medley relay in the win over Air Force.
Rebels stand in 18th place at NCAA Championships with one day left.
UNLV stands in 13th place after three top-15 swims, including school-record sixth place relay.
UNLV claims WAC Championship, ninth overall conference title in the last 10 years.
UNLV wins three events, increase lead to 39 points at WAC Championships.
2013-14 (Sophomore): Earned two Honorable Mention All-American relay honors, swimming the back leg on the 15th place 200 and 400 medley relays at the NCAA Championships ... Also swam in the 100 back at the meet ... Won his first individual title with a new WAC record time of 46.59 in the 100 back at the WAC Championships ... Also took a close runner-up finish in the 200 back (1:43.68) and was 14th in the 50 free (20.43) ... Swam on the WAC record-setting 200 and 400 medley relays.
2012-13 (Freshman): Set a new UNLV record with a time of 47.17 when he led off the Rebels' 400 medley relay at the NCAA Championships, which finished in 12th place, earning Honorable Mention All-American status ... as runner-up in the 100 back at the MPSF Championships with a time of 47.39, and added a fourth-place finish in the 200 back in 1:46.18 ... Swam the back leg on two record-setting relay teams, in the 200 and 400 medley relays ... Also swam in the 50 free at the league meet.
High School: Competed in the back and free events for Colegio Costa Zovagli, two-time national champions ... Set the school record in the 50, 100 and 200 back events.
Club: Swam for Sao Paulo F.C. in 2009, and E.C. Priaheiros in 2010-12.
Personal: Henrique Handa Machado ... Born on Aug. 6, 1994, in Sao Paulo, Brazil ... Son of João and Marina Machado ... Majoring in computer science.
MACHADO's Personal Bests 50 Free 20.43 100 Back 46.51 200 Back 1:43.68