Watson is tied for 47th place after an even - par 70 , Mickelson shot his best round of the tournament with a two - under 68 .
Spieth played a single hole and notched a par .
Watson is tied for 47th place after an even - par 70 , Mickelson shot his best round of the tournament with a two - under 68 , and Spieth played a single hole and notched a par .