François Lavoie may not have the revs and speed of most of the other top bowlers in the world, but a solid case can be made that he has the greatest mental toughness. The smooth Canadian right-hander showed it again Sunday in running the stepladder to win the 2021 KIA PBA Tournament of Champions at Bowlero Jupiter in southeastern Florida. Lavoie has just five PBA Tour titles, but two are U.S. Opens and one is this year’s TOC. The Open is without a doubt the toughest test in...