1.   His legs buckled again, but Marco held him up.

2.   Before reaching the sideline his right leg buckled, perhaps cramping.

3.   Did his leg buckle from fatigue?

4.   Emotionally, the Caps were crushed, and their legs buckled in lockstep with their hearts.

5.   He went on to explain that he felt a leg buckle and was fearful of sustaining a serious knee injury, so he ran out of bounds.

6.   His legs had buckled.

7.   It is believed his right leg buckled and the ankle was sliced by his left skate.

8.   Once over the boards, however, his legs buckled and he blacked out as he collapsed.

9.   San Francisco lost running back Garrison Heart on the first play of the game, breaking a bone when his left leg buckled under him.