MLB threatens pitchers with 10-game bans for using foreign substances on balls

Pitchers will be ejected and suspended for 10 games for using illegal foreign substances to doctor baseballs in a crackdown by Major League Baseball that will start June 21. The commissioner's office, responding to record strikeouts and a league batting average at a more than half-century low, said Tuesday that major and minor league umpires will start regular checks of all pitchers, even if opposing managers don't request inspections.

Repeat offenders will receive progressive discipline, and teams and club employees will be subject to discipline for failure to comply. "After an extensive process of repeated warnings without effect, gathering information from current and former players and others across the sport, two months of comprehensive data collection, listening to our fans and thoughtful deliberation, I have determined that new enforcement of foreign substances is needed to level the playing field," baseball Commissioner Rob Manfred said in a statement.