Toronto's Nikola Paunic, a defender from the University of South Florida, was taken by the Vancouver Whitecaps in the fourth round. Midfielder Jaineil Hoilett of Brampton, Ont., the younger brother of Queens Park Rangers midfielder/forward Junior Hoilett, went to FC Dallas in the fourth round.
The first two rounds of the draft were held last Thursday in Philadelphia, with Canadian forward Cyle Larin going first overall to Orlando City SC.
Rounds 3 and 4 were conducted via telephone Tuesday.
Murrell, a centre back/left back from Markham, Ont., played alongside Toronto FC first-rounder Skylar Thomas at Syracuse University.
"Murrell is talented left-sided defender that can play multiple positions," Real Salt Lake technical director Craig Waibel said in a statement. "He has a very high soccer IQ and we are looking forward to having his physical presence and steady play in our back line."
Murrell had five goals and 20 assists in four seasons at Syracuse, starting in all 74 of his appearances. He played for the Toronto FC academy and the Canadian under-18 team.
The Montreal Impact took Princeton forward Cameron Porter in the third round while Toronto selected Whitworth University forward Micheal Ramos.
With three picks in the third round, the Whitecaps started local with Simon Fraser University striker Jovan Blagojevic before adding Michigan State midfielder/forward Adam Montague and Washington goalie Spencer Richey.
Montreal took UC-Irvine forward Cameron Iwasa in the fourth round while Toronto chose forwards Sal Bernal of UNLV and Tyler Engel of North Carolina.
Vancouver selected Loyola Marymount defender Craig Nitti with its other fourth-round pick.