Ranford will be assigned to Colorado’s farm club in San Antonio, the third AHL team the 24-year-old will join this season.
He has six goals and 17 points in 46 AHL games this season. His lone NHL appearance came in 2014-15 with the Dallas Stars.
Whitney has 11 goals and 28 points with San Antonio this season, and was the team’s captain.
The 29-year-old has one goal in five career NHL games.