Marincin was selected by the Oilers in the second round, 46th overall, of the 2010 draft.
The six-foot-four, 203-pound native of Slovakia played 41 games for the Oilers last season, registering a goal and four assists as well as a minus-4 defensive rating.
He had seven assists and was minus-5 in 28 games with the American Hockey League's Oklahoma City Barons.
Ross was drafted in the second round, 43rd overall, by Toronto in 2010.
The six-foot-one, 190-pound forward split last season between the AHL's Marlies and ECHL's Orlando Solar Bears.