Pine Tar Baseball, Board Game
Why not call Garrett Richards on his pine tar? - Lookout Landing
In baseball, how is pine tar used? What does it do? - Quora
George Brett's pine tar home run
40th Anniversary of One of the Battest Baseball Games of All-Time, by Mike Butler, Beyond the Scoreboard
MIA@MIL: Teams ask umpire to check pine tar on bats
Should we care if pitchers use pine tar?, Bronx Pinstripes
Michael Pineda Suspended 10 Games for Pine Tar Against Boston Red Sox
MLB pitchers using pine tar is against the rules, but everyone's OK with it
Umpire Substance Checks Put Pitchers in Awkward Positions - The New York Times
Pine Tar in Baseball: What It Does, Using It & Rules
Pine tar not prevalent in college baseball, LSU players say, Sports
How to apply pine tar to a baseball bat
What Is Pine Tar? Sticky Stuff in Spotlight After Yankee Ejected