Sun lotion and curveballs: Why MLB is gripped by dubious 'foreign substances' | MLB | The Guardian
Why Do Pitchers Use Vaseline? (Answered!) | Little Ballparks
MLB pitchers doctoring baseballs are changing the game - Sports Illustrated
Rays' Kevin Kiermaier wanted to coat himself in Vaseline before game at Yankee Stadium
Pine tar, Vaseline, spit all part of baseball
How To Use Vaseline On Baseball Glove? Is It Safe? | Baseball Hover
Baseball Glove Using petroleum jelly | RAHA Paraffin Co
Why Do Pitchers Use Vaseline? (Answered!) | Little Ballparks
Cardinals pitching prospect suggests Boston's Jon Lester threw 'Vaseline' ball in Game 1
Alcantara's five strikeouts | 04/26/2022 | MLB.com
Was Jon Lester putting Vaseline on the ball during his Game 1 start? Mysterious substance on glove leads to rumors (Update: MLB not taking action) - masslive.com
White Sox lose ALDS Game 2 2021
Baseball Doctoring
Baseball Glove Using petroleum jelly | RAHA Paraffin Co
Desperate for offense, Major League Baseball seeking ways to curtail pitching dominance
Jim Geffert on Twitter: "Pine tar or Vaseline? I guess the old adage is true for @RedSox "If you ain't cheatin', you ain't tryin'."Let's go @Yankees https://t.co/ivamNF720z" / Twitter
Rays' Kiermaier is covering his body with Vaseline to handle the cold
Pitchers' guide to cheating: How to do it right
Jon Lester used Vaseline on his glove? Cardinals minor league pitcher Tyler Melling thinks so
A gripping saga: 11 tales of pitchers using spitters, sandpaper and scuffing - Sports Illustrated
Case closed' on Lester/Vaseline controversy after Game 1 | Sporting News
Baseball Glove Using petroleum jelly | RAHA Paraffin Co
:quality(70)/arc-anglerfish-arc2-prod-tronc.s3.amazonaws.com/public/TPBGFWOWBES45UXTUWRDX2RQIY.jpg "Baseball's most famous 'foreign substance' abuser Gaylord Perry says pine tar is definitely a 'performance enhancing substance' ... Tony La Russa agrees – New York Daily News")
Baseball's most famous 'foreign substance' abuser Gaylord Perry says pine tar is definitely a 'performance enhancing substance' ... Tony La Russa agrees – New York Daily News
Spitball - Wikipedia
