With 866 rushing yards in his rookie year, he was the third leading rusher in the Canadian Football League (CFL).
[2] As a sophomore, Shuttlesworth made his debut with the 1971 Michigan Wolverines football team that finished the regular season with an undefeated 11–0 record.
[3] Shuttlesworth began the season as a backup fullback, playing as a substitute for Fritz Seyferth.
[1] After the Purdue game, the UPI noted that the Michigan Gridiron Guide described Shuttlesworth as having "tremendous raw potential.
The safety gave Michigan a 12-10 lead, but Stanford kicked a late field goal to win by a score of 13-12.
[1] As a junior, Shuttlesworth again began the season as a backup (to Bob Thornbladh), but won the starting job in the second game of the year.
[10] Early in the season, he reached the 1,000-yard milestone in career rushing, hitting the mark sooner than any player in Wolverine history.
[10]Michigan head coach Bo Schembechler added, "We're trying to get Shuttlesworth to lift his legs more in the secondary.
[1] As a senior, Shuttlesworth started all 11 games at fullback for the undefeated 1973 Michigan Wolverines football team that finished the season with a 10–0–1 record.
[1] After the Ohio State game, Michigan head coach Bo Schembechler told reporters, "We had a great fullback in there today.
[15] Bo Schembechler coached the East All-Stars and called on Shuttlesworth to carry the ball 22 times.
Shuttlesworth, who led the East team to a victory with his 86 rushing yards, told the press after the game, "I don't mind doing all that work.
[20] In 1977, Shuttlesworth attended training camp with the Philadelphia Eagles and scored on a 30-yard touchdown run in an exhibition game against the Washington Redskins.