Former UMBC Retriever basketball standout Ryan Cook has signed a professional contract with OKK Sloboda Tuzla in the Bosnian Liga I in Bosnia and Herzegovina. The Laurel, Md. native was selected to the America East Conference Second Team and to the 2013 America East All-Tournament team. OKK Sloboda Tuzla was the runner-up in both the regular season and the championships of Liga I in 2012-13.