In alphabetical order, here are the top 10 players who will be on the rental market (players in the final year of their contracts) and have a realistic chance of being traded, with their current season statistics (goals-assists-points):
Michael Grabner, New York Rangers, forward: 21-5-26, 49 games
Mike Green, Detroit Red Wings, defenseman: 5-21-26, 48 games
Erik Gudbranson, Vancouver Canucks, defenseman: 1-2-3, 32 games
Jack Johnson, Columbus Blue Jackets, defenseman: 2-5-7, 49 games
Evander Kane, Buffalo Sabres, forward: 16-20-36, 49 games
Rick Nash, New York Rangers, forward: 15-10-25, 50 games
Tomas Plekanec, Montreal Canadiens, forward: 4-14-18, 49 games
Luke Schenn, Arizona Coyotes, defenseman: 0-5-5, 48 games
Tomas Vanek, Vancouver Canucks, forward: 14-21-35, 49 games
Cam Ward, Carolina Hurricanes, goalie: 13-6-2, 2.87 GAA, .904 save percentage
This list doesn't include Tyler Bozak (Toronto Maple Leafs), John Carlson (Washington Capitals), Zdeno Chara (Boston Bruins), James Neal (Vegas Golden Knights), Antti Raanta (Arizona Coyotes), Daniel Sedin (Vancouver Canucks), Henrik Sedin (Vancouver Canucks), Paul Stastny (St. Louis Blues), John Tavares (New York Islanders), Joe Thornton (San Jose Sharks) and James van Riemsdyk (Toronto Maple Leafs). All are in the final year of their contracts, but it's unlikely any of them is traded before the deadline.