SOUTH ORANGE, N.J. — Seton Hall has gotten a national letter of intent from forward Sandro Mamukelashvili. The Big East announced the signing of the 17-year-old from the former Soviet republic of Georgia. He played at Montverde Academy in Florida last season. Mamukelashvili joins Darnell Brodie of Newark, New Jersey and Myles Cale of Middletown,
