oregon 1First pitch for Monday's regional finale is set for 3 p.m. Top of the 9th inning — Oregon State 14, USC 1. Aiva Arquette walked and Gavin Turley followed with a single toOregon pitcher Lyndsey Grein is still battling and has thrown 105 pitches. MUSSATTO: How Texas finally solved its OU softball 'mental hurdle' at the WCWS Top 6: OU