Wednesday night in Atlanta the Hawks are hosting the Boston Celtics. But aside from each other, the two teams were facing a mutual opponent: a wet floor.

The Boston Globe (Frank Dell’Apa) reports (via blog): Several Celtics and Hawks lost their footing near the basket near the Hawks’ bench during the first three quarters, and the Celtics’ Glen Davis sustained a bruised right knee during pre-game warmups. After Paul Pierce fell with 8:11 remaining in the third quarter, the game was delayed while the floor was mopped dry.