||A slide is illegal if:
- the runner uses a rolling, cross-body or pop-up slide into the fielder, or
- the runner's raised leg is higher than the fielder's knee when the fielder is in a standing position, or
- the runner goes beyond the base and then makes contact with or alters the play of the fielder, or
- the runner slashes or kicks the fielder with either leg, or
- the runner tries to injure the fielder, or
- the runner, on a force play, does not slide on the ground and in a direct line between the two bases.