Defending champion Mika Koivuniemi maintained his lead through Wednesday’s third round of qualifying at the Suncoast PBA Senior U.S. Open presented by Storm lead. The famous Fin held off Norway’s Tore Torgersen who charged to second with the high block of the day at 1,357 on games of 257, 240, 214, 207, 183 and 256 on the challenging Marshall Holman 41 lane pattern, which has 30.91 mL of oil and a 2.49-1 ratio. Koivuniemi struggled to 1,119 on games of 202, 196, 183, 199, 216 and...