EVANSTON—Dez Wells set a career high with 23 points as Maryland blew out Northwestern in the second half en route to a 77-57 win on Tuesday night.A week after Maryland announced it would leave the ACC and join the Big Ten in 2014, the Terrapins and Wildcats faced off in a preview of future conference foes and one of 12 contests in the annual ACC/Big Ten Challenge.Maryland (5-1) led 28-26 at halftime but broke the game open in the second half, scoring on its first 10 possessions. The run stretched the lead to 47-34.Wells finished the spurt by hitting a 3-pointer and going coast-to-coast for a layup after an NU turnover.Wells hurt the Wildcats (6-1) from all spots on the floor, slashing to the basket and stepping back to hit jumpers. He was 9 for 11 from the field with three assists.Reggie Hearn had 19 points and Dave Sobolewski 14 for Northwestern, which was denied a fifth straight ACC/Big Ten Challenge victory.