Rubbing Mud: El Mago's Latest and Greatest Trick - Baseball ProspectusBaseball Prospectus
Rubbing Mud Archives - Baseball Rubbing Mud
After rubbing mud on baseballs for nearly a century, MLB is trying something new
Memo - MLB to require all teams to 'muddy' ball using exact same technique - ESPN
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MLB's new rules for teams technique of putting mud on baseballs - Sports Illustrated
Whose job is it to rub down baseballs with mud before an Indians game?
Major League Baseball rubs its balls in Jersey mud
Rubbing Mud: Marcus Stroman's Slide Toward Orthodoxy - Baseball ProspectusBaseball Prospectus
MLB leans on longtime mud supplier, not Rawlings, to coat balls - Sports Illustrated
Baseball Prospectus Insightful analysis for the discerning baseball fan
Baseball Rubbing Mud: Baseball Rubbing Mud: Institutional Size