CHARLOTTE, N.C. (AP) — Jimmy Obertop hit a game-tying three-run homer in the bottom of the eighth inning and drew a bases-loaded walk in the ninth as second-seeded Clemson spotted No. 7 seed Louisville six runs before rallying for an 8-7 victory on Friday at the Atlantic Coast Conference Tournament. Clemson (41-14) will play the winner of a game between No. 5 seed Florida State and fourth-seeded Virginia in Saturday's first semifinal. No. 6 seed…