MARICOPA, Ariz – UC Riverside began its final tournament before the Big West Championship on Wednesday at AK-Chin Southern Dunes Golf Club with the first 36 holes of the Wyoming Cowgirl Classic. HOW IT HAPPENED Mylan Hirata is UCR's leader after 36 holes at 73-72-145, currently tying for 15th. As a team, the Highlanders are ninth in the 21-team field. Riley Shin returned to the lineup for her first spring tournament and shot a pair of rounds at 77 (+5). Mitzi Duarte was 3-under on the back nine with birdies on 10, 13 and 15 and shot a 71 (-1)...