MLB umps begin checking pitchers for foreign substances

Phillies Notebook: Wheeler has rough inning, then gets checked for sticky stuff – The Mercury

Searching for sticky stuff: MLB umps start checking pitchers

MLB threatens pitchers with 10-game bans for altering balls in latest crackdown

MLB pitchers upset as umpires check them for 'sticky stuff

Watch umps check Jacob deGrom for sticky substance shortly before dropping no-hitter

Report: MLB Umpires May Randomly Check Pitchers for Foreign Substances During Games, News, Scores, Highlights, Stats, and Rumors

Hoornstra: Checking in on MLB's foreign substance checks – Orange County Register

Tell us: What do you think about MLB's crackdown on foreign substances? - The Boston Globe

Close Call Sports & Umpire Ejection Fantasy League: MLB Ejection 065 - James Hoye (1; Domingo German)

Pitchers have a sticky situation on their hands, and MLB is cracking down on it. Here's why - The Boston Globe

La Velle E. Neal III: Baseball's crackdown on pitchers had to happen

Searching for sticky stuff: MLB umps start checking pitchers –

MLB Rumors: Umpires Will Begin Checking For Foreign Substances

Max Scherzer's 'sticky stuff' ejection, and MLB's rules explained