In Dorsett's rookie year, he rushed for 1,007 yards and 12 touchdowns and won the Rookie of the Year honors. Dorsett was announced the starter in the tenth game of the Cowboys' season, and he would stay the starter for many years. Dorsett was the first player to win the college football championship one year, then win the Super Bowl the next, when the Cowboys beat the Denver Broncos 27–10 to win Super Bowl XII. In his sophomore season, 1978, Dorsett recorded 1,325 yards and nine touchdowns. The Cowboys once again made the Super Bowl, and lost 35–31 to the Pittsburgh Steelers in Super Bowl XIII. Dorsett's most productive season was in 1981, when he recorded 1,646 yards breaking the Cowboys franchise record. He is a member of the Pro Football Hall of Fame and the College Football Hall of Fame.

This Schutt helmet was customized with Dallas Cowboys logos and stripes. The helmet itself was used by a local college football team before being re-purposed as a Cowboys helmet, so it does show some use. This helmet was signed in black by Dorsett and includes a JSA sticker and COA.