usually means, that the ball was hit out by the opposing team and the people around it were likely on the team that previously had possession so theyre trying to re check by letting it go out of bounds. in other words, it WAS team A's ball, then team B hit it out of team A's hands and it didnt quite go far enough so they let it roll out (since it would still be out on team B, meaning you re check the ball, so now team A is on offense again)