Jordan Spieth is inspired by Rory McIlroy’s Masters win to try and complete the career Grand Slam at the PGA but he’s unsure if he can handle a rampant Scottie Scheffler.

Scottie Scheffler was relieved to get finished in near darkness and card a five-under 66 to take a whopping eight-stroke lead into the final round of the CJ CUP Byron Nelson in Dallas.