Five sports stories to watch this week Teen basketball star R.J. Barrett will play his first games for the Duke Blue Devils in two exhibition games in Mississauga, Ont. Toronto FC plays host to the Vancouver Whitecaps in the second and final leg of the Canadian soccer championship on Wednesday The Calgary Stampeders will look to improve to 8-0 when they visit Regina to face the Saskatchewan Roughriders on Sunday night It's crunch time for Canadian PGA Tour players as the Wyndham Championship this week represents the final event before the FedEx Cup playoffs The Canadian Triple Crown wraps up on Saturday with the Breeders' Stakes at Woodbine in Toronto