PBA Hall of Famer Mark Williams won his first Senior major title with a 198-181 win over top seed Ron Mohr Friday in the Senior U.S Open. Williams, who won the PBA Tournament of Champions twice, earned $15,000 for the win, while Mohr earned $8,500 for second. Williams beat Hall of Famer Dave Ferraro 231-188 in the semifinal match, leaving Ferraro with $6,500....