Manfred: Start of substance crackdown going 'very well

Getting a better grip for your cheating heart: The week in baseball

Coming to grips: Sticky stuff ban provokes managers, players

MLB Cracking Down on Foreign Substances From Players' Perspectives

What we learned from Week 1 of MLB's sticky-stuff crackdown - ESPN

Searching for sticky stuff: MLB umps start checking pitchers

MLB considering pristine white baseballs to try and combat issue of pitchers using sticky substances

Rob Manfred suspects many pitchers are using banned sticky stuff - NBC Sports

Full MLB Memo on the crackdown of Foreign Substances : r/baseball

MLB cracks down on 'sticky stuff' as Gerrit Cole callled out

MLB commissioner suspects many pitchers are using banned sticky stuff

Impact of MLB's future crackdown of foreign substance - Federal Baseball

Searching for sticky stuff: MLB umps start checking pitchers

As pitchers decry MLB's foreign-substance crackdown, unfazed commissioner Rob Manfred says changes 'have gone very well' - ESPN

MLB experimenting with pearl white baseballs to rid sticky stuff problem – Oneida Dispatch