By Emma Baccellieri Fifth-year guard LeLe Grissett’s signature handshakes and scrappy play have fueled the Gamecocks’ Final Four run. MINNEAPOLIS — LeLe Grissett’s name will not be called when No. 1 South Carolina introduces its starting lineup Friday. But for a few moments, as those five players run out on the floor, she’ll be the star of the show. The fifth-year guard is the most veteran member of the Gamecocks’ roster. (After going down with a leg injury late in the season last year, as a senior, she decided to use her extra season of pandemic eligibility to come back for one last run.) Tea…