MLB standardizes ball muddying process

MLB experimenting with pearl white baseballs to rid sticky stuff

MLB leans on longtime mud supplier, not Rawlings, to coat balls

Sticky substances on MLB's agenda The Arkansas Democrat-Gazette

MLB has a muddy balls problem, a breakdown

NYTimes] He's Baseball's Only Mud Supplier. It's a Job He May Soon

MLB standardizes how baseballs are prepped to be put in play

MLB mud supplier is still best option for preparing baseballs

MLB leans on longtime mud supplier, not Rawlings, to coat balls

Pro Pitchers' Dirty Secret Rubbed On Every Ball : NPR

The end of rubbing mud? MLB experiments with new baseballs - DRaysBay

MLB making changes to the baseball, deadening it — but by how much

MLB Used Two Balls Again This Year, and Evidence Points to a Third

MLB has a muddy balls problem, a breakdown