The Lions returned to practice Wednesday in Allen Park.  Receiver Calvin Johnson and running back Mikel Leshoure were held out because of injuries. Johnson has a sore foot, while Leshoure is nursing a leg injury. Defensive end Cliff Avril and linebacker DeAndre Levy missed practice as well because of injuries. Avril and Levy are listed as questionable forDetroit’s game Sunday atJacksonville. Tonight’s NFL Network Thursday night contest hasKansas Cityplaying atSan Diego.