Jack Jurek of Lackawanna made his debut on the senior pro bowling tour Tuesday night in the PBA50 Dayton Classic at Capri Lanes in Kettering, Ohio. After eight games of qualifying Jurek stood in 18th place with a 1,771 total. Darryl Bower of Middletown, Pa., leads with shooting 1,983 which included games of 278 and 268 and a low game of 205. Buffalo native Tom Baker of King, N.C., is 2th in the field of 99 players with 1,736 total.