For example : An infielder dives at a ground ball .
The ball passes infielder and infielder continues to lie on the ground and delays the progress of the runner infielder can be judged to have obstructed the runner .
For example : An infielder dives at a ground ball and the ball passes him and he continues to lie on the ground and delays the progress of the runner he can be judged to have obstructed the runner .