Dustin Dingler
10/24/12 = 298 / 782
10/31/12 = 300 / 797
11/7/12 = 300 / 743
Three week average = 258, with back to back week career 300's # 7 & #8 using Rotogrip Berserk.
On 10/31/2012 while bowling in the Tiger Sand & Gravel League
the All CITIES APPRAISAL team consisting of the following players; Dan Freeman Jr., Dustin Dingler, Mark Prosise, Dan Freeman, and Josh Haddad posted scratch scores of 1310, 1266, 1232 = 3808! Ranked 2nd in the nation this season according to USBC. 3 out of 5 players were using Rotogrip bowling equipment (Berserk, Pearl Cell, and Mutent Cell).
"The Roto Grip Berserk is hands down the best ball Roto Grip has ever created. I used to like my Silver Streak, but love the Berserk. It has surpassed all expectations. "








