Kelly was drafted in the 8th round of the 1964 NFL draft by the Browns.
Kelly began his career as a backup to Jim Brown and was used mostly as a return man. He led the NFL in punt returns his second season.
Following Jim Brown's retirement, Kelly took over as Cleveland's starter. He responded by capturing back-to-back NFL rushing titles in 1967 and 1968.
Leroy established himself as one of the most feared ball carriers in the history of the National Football League.
Hall of Fame guard Gene Hickerson played a key role in Kelly's success.
Leroy was a starter in three straight Pro Bowls and played in a total of six Pro Bowl games.
In his first three years as a starter, Leroy rushed for 1,000 yards.
Kelly earned All-NFL honors five times in his career.
During his career, he won four individual statistical championships, including NFL rushing titles in 1967 and 1968.
Kelly excelled as a punt and kickoff return specialist, particularly in his early years in the NFL.
Kelly gained 2,281 yards on 190 pass receptions during his career.
He missed only four games in 10 seasons.
Leroy was enshrined into the Pro Football Hall of Fame on July 30, 1994.
Leroy Kelly (left), Bobby Mitchell, and Jim Brown joined guard Gene Hickerson on stage during the 2007 enshrinement. Kelly was one of three 1,000-yard runners who ran behind Hickerson in Cleveland.
Leroy's Hall of Fame mural.
Kelly's bronze bust.