Cook joined ESPN in 1986 as a studio commentator. He also did freelance radio and television work in the Pittsburgh area. He was most recently seen on ESPNEWS every Thursday on "The Hot List" debating with Brian Kenny. Cook could be heard weekly on ESPN Radio during "The Herd with Colin Cowherd" and on Wednesdays he was a special guest on ESPN Radio's "I-Formation" hosted by Ivan Maisel. He also appeared weekly on Pittsburgh's Fox Sports Radio 970 AM, WBGG-AM, weekly during football season at 8 a.m. PT on the "Mitch in The Morning Show" on Sports Radio 950 KJR AM in Seattle. He co-hosted the ESPNU College Football Podcast on ESPN.com and iTunes with Maisel. He was an occasional guest of Mark Madden on ESPN 1250 in Pittsburgh as well as ESPN Radio's "AllNight with Jason Smith" show.