The future of defenseman Morgan Rielly, the longest tenured member of the club that has been heavily involved in trade rumors dating back to last season, remains up in the air. But one NHL Insider is issuing a specific warning for the Maple Leafs if they wait too long to deal him. NHL Insider Issues Specific Warning To The Toronto Maple Leafs Over Defenseman Morgan RiellyWhile speaking on a recent segment of TSN's OverDrive, NHL Insider Bryan Hayes warned the Leafs that Rielly runs the risk of becoming an "untraceable asset" if his performance doesn't improve next season. AdvertisementAdvertisement Advertisement"Because if the league right now is saying, 'Hey, I don't know about Morgan Rielly,' and you can't sell, I'm telling you, there's game there. This article was originally published on HEAVYThe post Maple Leafs Put On Notice After NHL Insider's Morgan Rielly Warning appeared first on HEAVY.