MLB suspects more cheating, will increase sticky stuff checks
Hoornstra: Checking in on MLB's foreign substance checks – Orange County Register
Searching for sticky stuff: MLB umps start checking pitchers
MLB Tightening Up Policy on Sticky Substances to Stop Pitchers Cheating - InsideHook
FRONTIER LEAGUE: Miners' Herrmann ejected for use of foreign substance; Jones attempts check on Valleycats pitcher, to no avail – troyrecord
America's pastime has a new ritual: Frisking pitchers for sticky stuff
4 minor league pitchers suspended for foreign substances
MLB asking umpires for more checks of pitchers for sticky substances
Mets' Drew Smith ejected after foreign substance check