Learn how to "Mud" a Baseball with former Phillies' Pitcher Cole Irvin - YouTube
Magic mud" used by every Major League Baseball team is harvested in southern New Jersey - 6abc Philadelphia
New Jersey man making mud that helps pitchers throw the heat - 6abc Philadelphia
February 10, 1920 Lena Blackburne's Famous Baseball Rubbing Mud – Today in History
Lena Blackburne Baseball & Football Rubbing Mud - Frank's Sports Shop
Big League Umpire Baseball Rubbing Mud | Gerry Davis Sports
Worcester Red Sox Lena Blackburne baseball rubbing mud Polar Park
World Series baseballs are pretreated with mud. University of Pennsylvania scientists explain why.
Major League Baseball's glorious mud ritual is being wiped out in name of progress
⚾️Lena Blackburne Baseball/Football Rubbing Mud The Original. Personal Size | eBay
Lena Blackburne rubbing mud only foreign substance MLB allows doctor baseballs
Meet the man responsible for rubbing 'magic' mud on the baseballs before every Cleveland Indians game
Baseball Rubbing Mud: Baseball Rubbing Mud: Professional Size
Lena Blackburne's Baseball Mud is baseball's dirty secret — literally | by New York Mets | Mets Insider Blog
6 PACK OF LENA BLACKBURNE "original BASEBALL rubbing MUD" serving MLB SINCE 1939 | eBay
Lena Blackburne Baseball Rubbing Mud
MLB leans on longtime mud supplier, not Rawlings, to coat balls - Sports Illustrated
MLB's 'magic mud' is only found in N.J. The coronavirus shutdown has hammered the company that supplies it - nj.com
Baseball Has a Dirty Little Secret: Lena Blackburne Rubbing Mud
How the Red Sox muddy-up baseballs for game use at Fenway – Boston Herald
SJ Magazine: Mud in the Major Leagues
MLB standardizes ball "muddying" process
