MLB getting tough on pitchers using sticky stuff
MLB pitchers upset as umpires check them for 'sticky stuff
Nationals' Max Scherzer unhappy over substance checks: 'I'll take
MLB asks umps for more random checks on sticky substances
Orioles, Astros starting pitchers pass first sticky-stuff check from
MLB's sticky stuff crackdown 'opening up a can of worms
Boston Red Sox's Alex Cora seeking more clarification after Rays
MLB's crackdown on sticky substances begins
MLB asks umpires for heightened sticky substance checks - NBC Sports
Sticky stuff ban provokes managers, players – News-Herald