Frank Ragnow anchored offensive lines for 16 seasons in the TFL, establishing himself as one of the most reliable centers in league history. He began his career with the Utah Craters (Seasons 1–5), where he immediately made an impact, helping the team capture two Super Bowl titles in Seasons 1 and 4. His dominant play in the trenches earned him early recognition as one of the league’s elite interior linemen.

He continued that level of excellence with the Indianapolis Cyclones (Seasons 6–8), where he remained a steady force in the middle and added more All-Pro and Pro Bowl honors to his résumé. Ragnow finished his career with the Denver Horns (Seasons 9–16), becoming a veteran leader and helping the franchise reach the NFC Championship in Season 9.

Across his career, Ragnow was named to 10 Pro Bowls, earned 6 All-Pro selections, and made the playoffs 11 times. With 3 conference championships and 2 Super Bowl wins, Ragnow's longevity and dominance at the center position firmly secure his spot among the TFL’s all-time greats.