His signature play involved a full-speed sprint on punt returns, often delivering bone-jarring hits. In 1956, Parker became the first Ohio State player to win the prestigious Outland Trophy, recognizing him as the nation's best interior lineman.
Parker's exceptional college career paved the way for a prosperous professional career. The Baltimore Colts recognized his immense talent, selecting him with their first-round pick in the 1957 NFL Draft. Despite legendary Ohio State coach Woody Hayes suggesting his pro potential lay on defense, Colts coach Weeb Ewbank envisioned Parker as an offensive lineman, crucial for protecting their burgeoning star quarterback, Johnny Unitas. Initially lacking extensive pass-blocking experience, Parker quickly adapted under Ewbank's guidance, understanding the importance of keeping pressure away from Unitas. He spent eleven seasons with the Colts, demonstrating remarkable versatility by excelling at guard and tackle positions.
Jim Parker's football legacy is defined by his dominance at both the collegiate and professional levels. His Outland Trophy-winning performance at Ohio State established him as an elite interior lineman. In the NFL, his versatility and consistent excellence earned him widespread recognition. He was selected to an astounding eight All-NFL teams and participated in eight Pro Bowls, a testament to his sustained high level of play. His crucial role in protecting Johnny Unitas was instrumental in the Baltimore Colts becoming a top-tier NFL team. Jim Parker's impact on the game is undeniable, leading to his enshrinement in the College Football Hall of Fame in 1974 and the Pro Football Hall of Fame in 1973, solidifying his place among the sport's all-time greats.
The fantastic thing is that he was versatile enough to make 8 All-NFL teams and eight Pro Bowl teams. His bio on the Pro Football Hall of Fame’s site says that Woody Hayes thought his best shot in the pros would be on defense, Colts' coach Weeb Ewbank tabbed Jim as an offensive lineman. The Colts at the time were just starting to become a National Football League top-tier team and the premier passer in the game, Johnny Unitas, was the guy who made the Baltimore attack click. Parker had little experience in pass blocking, but Ewbank was sure Parker could do the job. "It didn't take me long to learn the one big rule," Parker remembered. "Just keep them away from John,’ Coach Ewbank told me at my first practice. ‘You can be the most unpopular man on the team if the quarterback gets hurt.' I couldn't forget that!" And Parker didn't forget.