By Jelani Scott Ham, who played eight seasons, is also the eighth former NBA player currently in a head coaching role. View the original article to see embedded media. With the Lakers’s hiring of Darvin Ham now official as of Friday, 15 of the NBA’s 30 teams will have a Black head coach for the first time in league history. Ham, 48, will take up the mantle as the 28th Lakers coach nearly 10 years after his brief stint with the club as an assistant. Prior to Friday’s announcement of the former player’s hiring, NBA commissioner Adam Silver addressed the NBA’s increase in Black coaches during a T…