Question: Michael G. Barnett, is a Canadian ice hockey executive currently serving as Senior Advisor to the President-General Manager of the New York Rangers, Barnett negotiated the playing and marketing contracts for which Canadian retired professional hockey player, who played in the National Hockey League from 1983 until 2000, and was able to play both the forward and defense positions?
Sentence (from "Mike Barnett (ice hockey)"): Barnett negotiated the playing and marketing contracts for Wayne Gretzky, Brett Hull, Jaromir Jagr, Sergei Fedorov, Paul Coffey, Joe Thornton, Mats Sundin, Lanny McDonald, Grant Fuhr, Marty McSorley, Alexander Mogilny, Owen Nolan, Daniel Sedin and Henrik Sedin and numerous others.
Relevant evidence: Yes