Maple Leafs prospect Dominic Toninato will become a free agent Aug. 15 after the team declined to offer him an NHL entry-level deal.Toninato, a 23-year-old centre drafted in 2012, declined the team?s offer of an entry-level deal last year, choosing instead to finish his four-year degree at the University of Minnesota-Duluth.His agent, Neil Sheehy, said Toninato wanted to sign with the Leafs but GM Lou Lamoriello was only offering an...