RETIRED: ALEX KARRAS, 36, an All-Pro defensive tackle four times in his 12-year career with Detroit, after being cut by the Lions on the eve of the season. During his brilliant career with the Lions, Karras terrorized opposing quarterbacks, criticized the pro football Establishment and was suspended one season for betting on games.
SCHEDULED: A 15-round bout between MUHAMMAD ALI, the No. 1 heavyweight challenger, and MAC FOSTER, 29, the eighth-ranked challenger who has won 27 of 28 fights by knockouts, for Nov. 29 in Tokyo.
SIGNED: MICKEY DAVIS, 6'7" forward for Duquesne University, by the ABA's Pittsburgh Condors. Davis, who averaged 15.1 and 19 points for his two seasons, left school before his senior year and applied for the ABA's special hardship draft.