Duncan shoots 66, but misses cut by one shot

TORONTO — Tyler Duncan fired a 4-under-par 66 in Friday’s second round, but missed the cut by one shot at the RBC Canadian Open.

Duncan, a 2008 Columbus North graduate, had a 10-shot improvement over his first-round 76. He finished at 2-over 142 for 36 holes to tie for 71st place.

Wyndham Clark leads the tournament at 7-under 133. Five golfers, inclding Rory McIlroy, are tied for second at 6-under 134.