71.   If Marino stays, sources say Johnson is likely to call it quits.

72.   In fact, Monnin was ready to cash in and call it quits eight years ago.

73.   In return, the president would call it quits.

74.   It has been the year of retirements, and now one of the best ever to pick up a tennis racket is calling it quits.

75.   It was at that point when he decided to call it quits, saying he needed a year off.

76.   It might have been the emotions of the moment that caused him to contemplate calling it quits.

77.   Janss Corp., a development company controlled by the family, is calling it quits on the year of its centennial anniversary.

78.   Jordan may call it quits, and Pippen, Dennis Rodman and coach Phil Jackson are expected to leave.

79.   Just this week, Elway announced that he would play one more season in the National Football League before calling it quits.

80.   Longtime Democratic Rep. Kika de la Garza of McAllen may be calling it quits today, adding to the growing list of retiring lawmakers.