By Matt Hladik NBA legend Paul Silas has reportedly passed away at the age of 79. Silas won three NBA championships and made two All-Star teams during a playing career that spanned from 1964-80. He then went on to have a lengthy career as an assistant and head coach in the league. Currently, Silas’ son Stephen is the head coach of the Houston Rockets. Tributes to his father have been pouring in all morning from around the NBA world. “LeBron’s first coach in Cleveland, one of the great rebounders of his day at just 6-7 and a towering NBA figure. Paul Silas will be missed so much … sending lov…