Undated (AP) _ ''I did a mental job on him. I hypnotized him and mesmerized him. I was doing things I had no right doing to the heavyweight champion, and he wound up doubting his own ability.'' - Michael Spinks, after becoming the first man to beat Larry Holmes, and the first light heavyweight to become the heavyweight champion.

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''I had Spinks over Holmes, but unfortunately I parlayed it with Ed Whitson vs. Billy Martin.'' - Pete Axthelm, NBC analyst, on a weekend of major fights.

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''I've been scratched and there isn't a scratch on me.'' - Pitcher Ed Whitson of the New York Yankees, on missing a turn in the starting rotation due to his fight with Manager Billy Martin.

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''If they put up enough money, we'll fight King Kong on the Empire State Building. We already beat Goliath.'' - Trainer Nelson Brison, the manager of Michael Spinks, on challengers to Spinks' IBF heavyweight title.

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''Two hits a day keeps the doctor away, and in this case the doctor is George Brett.'' - Wade Boggs of the Boston Red Sox, who is battling the Kansas City Royals' George Brett for the American League batting title.

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''I think there are 91 Division I-A schools and my assessment is that 80 of them are buying football players. For God's sake, let's all get together and try to stop this madness before it destroys college athletics.'' - Dick Lowe, a Fort Worth, Texas oil man, who admitted that he and other alumni helped subsidize seven football players at Texas Christian University.

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''They are drug-addicted losers. Once adversity comes and - bang 3/8 - they're back in the sewer again.'' - Jim Garrett, the first-year coach of Columbia, angered that the Lions blew a 17-0 lead and lost to Harvard 49-17. Garrett later apologized for his remarks.

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''The baseball owners will eventually fire him, and it'll happen sooner than anyone thinks. They're paying his baggage and he continues to kick their collective butts. I mean the man has made fools out of them by constantly siding with the players.'' - Jim Abernethy, a sports agent, on Peter Ueberroth's one-year tenure as baseball commissioner.

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''I like fun and I like Rambo. I like music. I like cars and I like pizza. I don't know if I like hockey more or pizza more.'' - Petr Klima, who defected from Czechoslovakia to sign with the Detroit Red Wings, who are owned by pizza baron Mike Ilitch.