At the time of the stoppage, the Americans led in five matches, and the sixth, featuring Phil Mickelson and Keegan Bradley against Louis Oosthuizen and Charl Schwartzel, was all square.
Two judges had Froch ahead at the time of the stoppage, one Groves.
At the time of the stoppage, the judges scorecards read: 104-102, 107-102 and 106-102, all in favour of Abraham.
Two judges had Margarito ahead by a score of 96 94 at the time of the stoppage, while the third scored the fight even.
Striker Gray headed against the post from six yards but the Bees won it with a first-time shot from Stuart Dallas in the fourth minute of stoppage time.
"It was 0-0 after normal time and the board showed there would be five minutes of stoppage time.
Brian White missed a penalty for Louth seven minutes from time but hit the equalising free in the first minute of stoppage time.
Charles' goal came in the fifth minute of stoppage time, taking the game to extra time and then to a penalty shoot-out, which Stevenage won 7 6.
2201: There will be two minutes of stoppage time at the end of extra-time.
Extra time was eventually necessary, but only after two more goals in a six-minute period of stoppage time.
The striker looked to have won the tie in the first minute of stoppage time, but Marcus Haber scored an even later goal for Crewe to force extra-time.
