The Pistons have agreed to terms on a multi-year contract with Kyle Singler, last year’s second round draft pick out of Duke who spent 2011 playing in Spain. Meanwhile, Detroit dropped its Orlando Summer league game yesterday 83-to-62 to the Oklahoma City Thunder. Kyle Singler has signed a multi-year contract with the Pistons.  Singler, who spent last season playing in Spain, was Detroit’s second  round draft pick in 2011 after spending four years at Duke, where he averaged 16.2 points and 6.9 rebounds. Meanwhile, the Pistons yesterday lost their Orlando Summer League game to the Thunder with Oklahoma City winning 83-to-62. Austin Daye had 18 points for Detroit, which suffered its first loss in 3 games in Orlando.