1 / 9
9. Erik Morales returned to win light welterweight title in 2011.
2 / 9
8. Julio Cesar Chavez retired in 2001 & returned in 2003 to win successive bouts.
3 / 9
7. Vitali Klitschko retired 2005 but came back 4 years later in heroic form.
4 / 9
6. Evander Holyfield retired 1994 but returned for epic infamous fights like Tyson (pictured).
5 / 9
5. Mike Tyson served 3 years in prison but came back with 4 straight victories.
6 / 9
4. Sugar Ray Robinson retired to become a tap dancer but came back 3 years later & won the title.
7 / 9
3. Sugar Ray Leonard retired after being diagnosed with a detached retina but came back 2 years after.
8 / 9
2. Muhammad Ali (l) went to jail for 3 years bur returned in style.
9 / 9
1. George Foreman retired for 10 years but came back & became the oldest world champion (48).