Major League Baseball, players union ban baserunners from rolling blocks on infielders

NEW YORK (AP) Major League Baseball, players union ban baserunners from rolling blocks on infielders.

SI Apps
We've Got Apps Too
Get expert analysis, unrivaled access, and the award-winning storytelling only SI can provide—from Peter King, Tom Verducci, Lee Jenkins, Andy Staples, Grant Wahl, and more—delivered straight to you, along with up-to-the-minute news and live scores.