South Carolina won its third-straight SEC contest on Saturday with a strong showing against the 24th-ranked Vanderbilt Commodores. In fact, for the third game in a row, the Gamecocks blew out an SEC opponent. The final score in a rain-soaked matchup favored USC 28-7. It also was Carolina’s third SEC road win; in each of those wins, the defense held the opponent to single-digit scoring efforts. With South Carolina entering the weekend unranked by the AP Poll, USA Today Coaches Poll, and College Football Playoff Rankings, many around the college football world believed Shane Beamer’s team was on…