OSU Coach Jack Riley, Washington State Coach Bobo Brayton and umpires are shown before a game.Riley coached at Oregon State from 1973 through 1994 and is the winningest coach in Beaver Baseball history with a 613-411-5 record. Brayton coached at WSU for 33 years and also retired after the 1994 season.Washington State has been OSU's most formidable rival through the years. The series began in 1910 and stood at 186-215-2 through 2006. Riley's won-loss record versus Brayton was 49-79 (1973-1994).OSU has played both Washington State and the University of Washington more times than any other college or university. OSU all-time versus the UW is 218-179-2, beginning in 1911.