81.   Langer jumped into the lead at the tournament he runs with brother Erwin by ringing up six birdies in eight holes to start his back nine.

82.   Mallon made three birdie putts on the back nine, which she played first, and two on the front.

83.   Mediate also had eight birdies, five on his back nine.

84.   Mediate, who overcame two bogeys with seven birdies, gained crucial ground on the next hole, the eighth of a round that began on the back nine.

85.   Most of the leaders, including Mallon, Webb and Mehra, played the back nine first.

86.   Morse charged from the pack and made four birdies on the back nine.

87.   Nicklaus, who has finished first and sixth in two senior events this year, came out of the pack with startling suddenness on the back nine.

88.   Price said he let down Frost, his partner, by losing accuracy on the back nine.

89.   Singh, playing with Norman, stayed with the Australian until Norman buried everyone on the back nine.

90.   Smith made three straight birdies heading into the turn, then had another five on the back nine.