Ish Smith led a strong bench effort with a season-high 22 points and nine assists, and the Detroit Pistons pulled away to a 119-96 victory over the host Miami Heat on Saturday.Fellow reserves Langston Galloway and Luke Kennard added 17 points apiece as the Pistons’ bench scored 66 points.Blake Griffin had 20 points and six assists, Reggie Jackson added 13 points and Andre Drummond chipped in 12 points, 14 rebounds and four blocks to lead the starting unit.Detroit has won six of its last seven, including back-to-back victories after the All-Star break. It shot 52.5 percent from the field and made 14 of 33 3-point attempts. Miami shot 42.7 percent and connected on just seven of its 28 long distance tries.The Pistons also controlled the boards, 41-33, as they moved into the seventh spot in the Eastern Conference standings.Josh Richardson led the Heat with 22 points. Dion Waiters contributed 17 points, Dwyane Wade supplied 15 points and Hassan Whiteside had 13 points and 15 rebounds.Kennard scored 10 second-quarter points, and Detroit outscored Miami 34-17 during those 12 minutes to gain a 54-46 halftime lead. Whiteside led the Heat with 10 points and 12 rebounds before the break.The Pistons increased their lead to 15 by opening the second half with a 10-3 spurt. The Heat answered with a 15-4 outburst. Kelly Olynyk scored the last six Heat points during that span.