Jacob deGrom becomes first pitcher checked for substances

Jacob deGrom vs Ronald Acuna Jr - Bringing The HEAT & Checked For Substance By Umps. Mets vs Braves.

Max Scherzer calls for change to MLB's foreign substance enforcement - Washington Times

Baseball roundup: Rangers finally see Jacob deGrom in a game, against minor leaguers

Mets pitcher Carlos Carrasco tagged for three homers by Bisons in rehab start – Trentonian

Jacob deGrom's fastball is better than ever; these three under-the-radar factors help explain why

Jacob deGrom has the lowest ERA through 10 starts since earned runs became a statistic, holds the lowest WHIP in any 10 start span since 1901 and has reached 100 strikeouts faster

LEADING OFF: MLB begins checking pitchers for sticky stuff

Searching for sticky stuff: MLB umps start checking pitchers

Sticky stuff ban provokes managers, players – News-Herald

Max Scherzer bucks against MLB's sticky stuff crackdown after tense exchange with Joe Girardi

Cheat Code: Mets ace Jacob deGrom inspected for sticky substances, demonstrates sticky glove

Jacob deGrom: When former New York Mets star Jacob deGrom was under fire for suspected foreign substance use in between pitches

Mets' Jacob deGrom passes two key tests on historic MLB day