The rodeo is June 11-17 in Casper, Wyo.
Walker played in all 32 games in his one season at UT-Arlington.
Huff has been hired to succeed Tami Lagmay following a recently completed 35-6 season in which it won plenty of hardware.
Cavanaugh, a 5-foot-8 guard from Maple Valley, Washington, played at Tahoma High School in the city outside of Seattle.
Dillon native and Atlanta Falcons' linebacker Troy Andersen is hosting a free football camp in Dillon on June 28.
Montana was seventh and 10th in the All-Sports Trophy standings.
Duncan Hamilton advances to steeplechase final; Levi Taylor, Rob McManus named 2nd team All-Americans
“I think for Levi, it's been kind of a difficult outdoor season where he's just overcome a lot and had a lot of little setbacks." MSU coach Lyle Weese
Billings Central alum Kade Boyd switches football commitment to 'dream school' Montana
Lindsay Woolley steps down as Montana Western women's basketball head coach
Recruiting roundup: Montana Grizzlies receive commitment, extend several offers
Former Griz WR Samori Toure turning heads in Green Bay during transformative offseason
6-foot-4 HS combo guard Jaqari Miles commits to Montana State men's basketball