KeShawn Murphy came off the bench to score 20 points Wednesday night, leading five Mississippi State players in double figures during a 90-57 blasting of No. 18 Pittsburgh in Starkville, Miss.Michael Nwoko added 18 points and 11 rebounds for the Bulldogs (7-1), which led by as many as 35 points in dominating the Panthers (7-2). They carved out a 49-27 rebounding advantage and canned 57.8 percent of their field-goal tries.Josh Hubbard contributed 12 points, while Claudell Harris Jr. and RJ Melendez each chipped in 10. Mississippi State controlled the lane all night, outscoring Pittsburgh by a whopping 52-14, and had more offensive rebounds (16) than the Panthers had defensive boards (13).Jaland Lowe scored 19 points to pace Pittsburgh but experienced a miserable shooting performance, making 7 of 21 from the field. Brandin Cummings added 12 off the bench but the Panthers hit a measly 31.3 percent of their field-goal tries.Murphy dunked with 16:36 left in the game to give the Bulldogs their first 30-point lead at 56-26. They led by double figures for the final 29:15.