Zach Johnson, Matt Kuchar and Kevin Na were tied on top of the leaderboard after Friday’s second round of the Players Championship in the United States.

At the round in Florida, Na, who is of Korean descent, ended eight-under after hitting three under-pars.

Charlie Wi, or Wi Chang-soo, who is also a Korean-American, shared a fifth-place rank at 6 under-par with defending champion Choi Kyung-ju missing the cut.