Firestone Country Club looked a little like a U.S. Open venue Friday as scores rose at the WGC-Bridgestone Invitational.The difficult, tree-lined course has hosted Rick Porcello Jersey majors in the past, and the top players found it difficult again in Round 2 with the wind up and the course playing firm and fast.MORE: Jason Day survived the conditions to take sole po se sion of the lead at 4 under. Day had three birdies and two bogeysto shoot a 1-under 69one of the few under-par rounds of the day in Round 2.David Lingmerth is one shot behind Day at 3 under after firing an impre sive 3 Mitch Moreland Jersey -under 67.MORE: First-round leaderWilliam McGirtshot a 4-over 74 with a doublebogey on the 18th which played as the most difficult hole Friday. McGirt won in Ohio earlier this year when he captured the Memorial Tournament. He is now tied for third at 2 under.Emiliano Grillo and Scott Piercy, who finished T-2 at the U.S. Fred Lynn Jersey Opentwo weeks ago, are tied with McGirt at 2 under.Adam Scott and Jordan Spieth leada group at 1 under, tied for sixth. Spieth reached 3 under at one point in Round 2, but dropped a couple Jackie Bradley Jr Jersey shots coming in.Scott made an excellent downhill birdie putt on the par-4 17th hole to get to 3 under on the day, but he dropped a shot on 18 for the second straight day.Adam Scott is contending for his second WGC victory of 2016. PGA TOUR (@PGATOUR Craig Kimbrel Jersey ) The tough conditions have left a lot of players still in contention in this limited-field event. But Day is a tough player to gain strokes on, so it's important for the players around even par to shoot a good score Saturday.