After gathering input from college coaches, USBC has banned urethane (aka slow oil-absorbing high-performance) bowling balls for college sectionals, matching the new urethane rule for the Intercollegiate Championships that start this year. USBC has made no public announcement that I have seen, but 11thFrame.com was tipped to the change and confirmed it with collegiate sources, one who shared the message sent to “USBC Collegiate Stakeholders.” PDFs of the message are attached to this...