How to watch and/or listen

Kickoff: 5 p.m.

TV: Pac-12 Network. (Play-by-play: JB Long. Analyst: Yogi Roth. Sideline: Jill Savage).

Radio: KGME 910 AM in Phoenix; KCUB 1290 AM and KHYT 107.5 (Tucson). Sirius Channel 81. (Play-by-play: Brian Jeffries. Analyst: Lamont Lovett. Sideline reporter: Dana Cooper).

Streaming: Pac-12.com.

Notes: Colorado leads the all-time series 14-5. … CU won the last meeting, 49-24 on Nov. 12, 2016 in Tucson. … Prior to that game, Arizona had won straight over the Buffaloes. … Arizona (2-2) is averaging 296 rushing yards per game, 8th best in the NCAA. … the Wildcats were off last week. Colorado (3-2) is coming off a 27-23 road loss to UCLA.

Pac-12 games this week

SATURDAY

Oregon State (1-4) at No. 15 USC (4-1), 1 p.m., Pac-12 Networks.

No. 11 Washington State (5-0) at Oregon (4-1) 5 p.m., Ch. 10.

Arizona (2-2) at Colorado (3-2), 5 p.m., Pac-12 Networks.

Stanford (3-2) at No. 18 Utah (4-0), 7:15 p.m., Fox Sports 1.

Cal (3-2) at No. 5 Washington (5-0), 7:45 p.m., ESPN.

Arizona State and UCLA are off this week.