UNDERWOOD GETS 20 YEARS Perry Offered 25 In Parents’ Slaying By LIBBY CUDMORE • Special to www.AllOTSEGO.com ONEONTA – Joshua Underwood, 25, who plead guilty to first-degree manslaughter in the New Year’s Day death of his boyfriend, Mark Morrison, was sentenced to 20 years in prison in Otsego County Court. Officials say around 3:30 a.m. Jan. 1, 2017, Underwood called 911 and reported that he had killed his boyfriend, 52-year-old Mark Morrison of Oneonta. Police found Morrison dead in his…