Lou Williams scored 25 points from the bench as the Los Angeles Clippers upset the league-leading Golden State Warriors 121-116 in a wild overtime thriller at the Staples Center on Monday. Williams reeled off 10 of his points in overtime to secure victory after the Clippers squandered a 14-point fourth quarter lead before digging in for the win. The 32-year-old veteran was supported by 23 points from the bench by Montrezl Harrell as the Clippers improved to 8-5 in the Western Conference standings.