Hammon makes head-coach debut for Spurs in VegasHammon made another piece of history Saturday, becoming the first woman to lead a team in an NBA summer league game.Hammon and the San Antonio Spurs lost 78-73 to the New York Knicks in the Las Vegas league debut for both squads."I'm learning all sorts of kinds of things, not just about X's and O's but how to handle a team, how to speak to guys," Hammon said.Other women have coached in summer league — Basketball Hall of Famer Nancy Lieberman was invited by Sacramento's George Karl to be on the Kings' staff this summer, and Lindsey Harding, a former No. 1 overall pick in the WNBA draft, is a guest on Toronto's staff in Las Vegas — but no female had been actually in charge of a roster.The 7-footer from Kansas was the third overall pick in the 2014 NBA draft.