Hooks pitchers react to new foreign substance rule
MLB to enforce foreign-substance ban, beginning next June 21 - True Blue LA
MLB reveals new plan to crack down on pitchers using foreign substances - The Athletic
Sticky stuff 101 - Everything you need to know as MLB's foreign-substance crackdown begins - ESPN
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Three Different MiLB Pitchers Ejected For Foreign Substances This Weekend — College Baseball, MLB Draft, Prospects - Baseball America
MLB announces new guidance to deter use of foreign substances
Killing Floor (Jack Reacher): Child, Lee: 9780515153651: : Books
MLB asks umpires for heightened sticky substance checks
M.L.B. Says It Will Punish Doctoring of Baseballs - The New York Times
MLB's enhanced plans for enforcement of foreign-substance rules being finalized, with June rollout pending, sources say - ESPN
M.L.B. Says It Will Punish Doctoring of Baseballs - The New York Times
MLB renews effort to crack down on foreign substances after latest owners meeting, per report
As MLB nears crackdown on foreign substances, pitchers ask for fair enforcement - The Washington Post
After the Crackdown: How Did Pitchers Adjust?