It isn't a plague conspicuous enough to generate headlines or raise much alarm, but its constant drip affects areas of the game that concern MLB officials: pace of play, the number of balls in play, ...

The baseball throwing motion has been described as one ... is up to 382 lbs at ball release. It is the job of the rotator cuff, four muscles around the shoulder, to dissipate the force.

The changes attempt to avoid rare instances where the old rules could have incentivized teams to try to game the system.

Japan’s Official Baseball Rules specify that the “umpire ... The scientists plan to have pitchers throw balls after their friction coefficients are measured to determine correlations with ...