Nelly Korda gaining on co-leaders Zhang, Sagstrom at Founders

(Photo credit: Mike Lang / Sarasota Herald-Tribune / USA TODAY NETWORK)

Rose Zhang and Sweden's Madelene Sagstrom will carry the lead at the Cognizant Founders Cup into the weekend, but Nelly Korda intends on crashing the party.

Zhang and Sagstrom are tied at 13-under 131 after two trips around Upper Montclair Country Club in Clifton, N.J., and Korda is the only player within six shots of them. Korda posted a bogey-free,