Rosin bags are made from a sap that’s pulled from pine trees in Honduras, ... With the help of a friend who helps stamp the bags with the official MLB logo, ...

Rosin is used to keep pitchers’ hands dry and to improve hitters’ grip on the bat. Some pitchers use it irregularly on certain pitches; others use it constantly, as Pat Hentgen did. “I put ...

Explaining what rosin is in baseball and looking into if it’s allowed in MLB with the league’s crackdown on pitchers with the sticky substance rules. On Wednesday, April 19 in the early parts ...