On the Alex Sanabia Spitball Controversy | MLB Reports
Jose Valverde's 'spitball' clip goes viral, raises more questions than answers
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Spitball - Wikipedia
Marlins pitcher Alex Sanabia claims he didn't know spitballs were illegal
Burleigh Grimes, the last great spitballer | Pittsburgh Post-Gazette
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Gaylord Perry, Baseball Hall of Famer, two-time Cy Young winner and master of the spitball, dies at 84
End of the Spitball Era | Sports History Weekly
How To Throw A Spitball
Dreyfuss led spitballer ban | Baseball Hall of Fame
Bill Caldwell: Frank Shellenback's spitball kept batters guessing | Local News | joplinglobe.com
What is a Spitball in Baseball? Why it is Illegal in Baseball? - NISR
Explaining the notorious and mysterious spitball
.jpg "End of the Spitball Era | Sports History Weekly")
End of the Spitball Era | Sports History Weekly
Henry Mason's baseball journey: Kansas City Monarchs to Major Leagues
Ed Walsh's Spitball | Warehouse 13 Artifact Database Wiki | Fandom
Baseball's Gaylord Perry dies; Cy Young winner, spitball king - Los Angeles Times
The Spitball – The Baseball Umpire
Gaylord Perry: Spitballs totally different from PED use - CBSSports.com
What is a spitball in baseball? - Quora
Spitball Outlawed but 17 pitchers were "Grandfathered" in - History of Cardinals
Gaylord Perry Spitball Feature with Bob Uecker - 1984 - YouTube
Alex Sanabia Might Be In Trouble For Spitballing | FanGraphs Baseball
Center Field on Fire: An Umpire's Life... by Phillips, Dave
/cdn.vox-cdn.com/uploads/chorus_asset/file/24318597/50950432.jpg "Gaylord Perry, Baseball Hall of Famer, two-time Cy Young winner and master of the spitball, dies at 84 - idcar.com.ar")