The 1977 Clemson-South Carolina Game
31 - 27 Clemson
On November 19, 1977, Clemson WR Jerry Butler made a diving, backwards, 20-yard touchdown reception on a pass from QB Steve Fuller with 49 seconds left in the fourth quarter to give Clemson the 31–27 victory in Columbia. This play is known as “The Catch” and is one of the most memorable plays in the rivalry.
Source: Wikipedia