J. William Davis, 86, the father of the national letter of intent for college athletics, died Saturday in Lubbock, Texas. Survivors include a son, James Davis, of Spokane… . Tony Rominger increased his lead to 3 minutes in the Tour of Italy cycling race by dominating a time trial in Maddaloni… . The Dallas Cowboys signed veteran quarterback Wade Wilson to back up starter Troy Aikman… . Three-time Olympian Teresa Edwards aggravated a calf injury and was expected to miss three sessions of tryouts for the U.S. women’s national basketball team… . Golf great Ben Hogan went home after an operation to remove a tumor from his colon. Hogan, 82, was released from All Saints Hospital in Fort Worth, Texas, after a 15-day stay for emergency surgery.