A Waterloo man has accepted a plea deal for his role in a man’s overdose death. Trial for 39-year-old Marcus Sallay began on Wednesday, however, on Thursday he accepted a plea deal. He pleaded guilty to four counts of delivery of heroin and fentanyl. In exchange, the state dropped a manslaughter charge and agreed Sallay’s sentences would run concurrently. Sallay admitted to selling drugs to 49-year-old Adam Sharkey in February 2017. Sharkey would die the next day. Sallay also admitted to selling a fentynal and heroin mixture to a confidential informant several times following Sharkey’s death.