Update: Sean Rash to 900 Global, Stefanie Johnson to Roto Grip, Diana Zavjalova to Storm, A.J. Johnson to MOTIV headline ball staff changes for 2020

Note: This story originally posted Jan. 3, 2019. Tis the season for ball company staff changes involving pro bowlers, perhaps pushed a little more than usual by Brunswick’s acquisition of EBI. The biggest news came Tuesday with Sean Rash leaving a career-long affiliation with Brunswick to sign with 900 Global, as FloBowling detailed in this story.  Rash, who joins Chris Barnes as PBA superstars on the 900 Global staff, is a 14-time PBA Tour champion with two major titles who had ...