51.   The current champ, Holyfield, had to cancel a summer title defense against Henry Akinwande.

52.   The culprit was an elbow injury that has plagued Calzaghe since he defeated Rick Thornberry in his last title defense.

53.   The Fort Worth, Tex., resident outpointed Sahoiu Sithchai Condo in October in his first title defense.

54.   The Huskies built much-needed momentum for their title defense with victories in six of their final seven games.

55.   The Lakers could compile a lengthy list of things that have affected their title defense, from offseason acquisitions to enlarged egos.

56.   The Raiders went on to thwart another Steelers title defense and win the Super Bowl for the first time.

57.   The Red Sox had finished in first place the previous season, but were staggering through the summer of their title defense.

58.   The opening round of her title defense was truncated by a fall that forced her doubles partner, Corina Morariu, to retire from the match.

59.   The San Antonio Spurs learned that last season, when injuries to Tim Duncan and Sean Elliott stymied their title defense.

60.   The show must go on, all sides say, and so it will, but in truth this is no mandatory title defense at all.