Stephen Kosela slammed a 900 series on Sunday in the Beaver Valley USBC Open Championships (City Tournament) at Sheffield Lanes in Aliquippa, Pennsylvania, according to social media posts and messages to 11thFrame.com. As Wisconsin's Cody Schmitt did in shooting the last 900 at Anchor Lanes in Elkhart on Nov. 21, the right-handed Kosela used the Roto Grip IDOL HELIOS. Here is Beaver Valley USBC video of the close of Kosela’s 900. His last three shots were solid in the pocket,...