Answer: opponent

AnswerCrossword Clue
OPPONENTFrazier, to Ali
OPPONENTYankees, to the Red Sox
OPPONENTRival
OPPONENTAdversary
OPPONENTAntagonist
OPPONENTFoe
OPPONENTAdversary.
OPPONENTAli, to Frazier at Manila
OPPONENTTilden, to Hayes
OPPONENTOther side
OPPONENTSchmeling, to Louis
OPPONENTCounter person
OPPONENTOne from the other side
opponentperson on the opposite side, as in a contest
opponentone that opposes another
opponentperson opposed to something