See more Toronto Sun on Google — save as a Preferred SourceThis advertisement has not loaded yet, but your article continues below. THIS CONTENT IS RESERVED FOR SUBSCRIBERS ONLYKansas City Chiefs quarterback Patrick Mahomes has been cleared to return to full practice as he recovers from tearing knee ligaments late last season. Article contentThe three-time Super Bowl champion quarterback is “extremely optimistic” about lining up for the first game of regular season in September, said his coach Andy Reid. The 30-year-old star, a two-time NFL Most Valuable Player, led the Chiefs to five Super Bowls in six seasons and three crowns. A disappointing season for the Chiefs last year was capped in December when Mahomes tore left knee ligaments, requiring surgery for the first major injury in his nine-year NFL career.