From what I've observed, coaches who teach their runners to run into the fielder also teach their fielders how to clear the basepath after throwing the ball.[/QUOTE]
Here is one video of Shane Victorino that certainly looks like he initated the contact, but was awarded 2nd on the OBS and the Mets mgr was ejected for arguing it. I'm a Phillies fan and I thought this was generous at the time.
Baseball Video Highlights & Clips | PHI@NYM: An obstruction call gets Manuel ejected - Video | MLB.com: Multimedia