"Love thy enemy is a sentiment that never got much traction in sports, but SI photographer Walter Iooss Jr. brought together some of the most compelling rivals of the last 50 years, giving them a chance to briefly turn the other cheek...and turn back the clock.
MUHAMMAD ALI-JOE FRAZIER
Their battles outside the ropes were almost as vicious as their epic fights, but they're all punched out now, and fighting out of the same corner.
JACK NICKLAUS-ARNOLD PALMER
This was the classiest of rivalries—never a public spat, never a cheap shot, and the only KO punch either man landed was with a putter.
NOMAR GARCIAPARRA—DEREK JETER
They couldn't get together in a studio—blame it on scheduling conflicts, not animus, they insist—so they were joined in a darkroom. The rivalry continues....