Can't get enough NHL rumors? Lyle Richardson's serves as a one-stop guide to the latest rumblings around the league.The Blue Jackets , shipping two prospects, a 2019 first-round pick and a conditional first in 2020 to theSenators days before the NHL trade deadline. However, it remains to be seen how long he'll remainwith his newclub.Duchene, 28, is slated to become an unrestricted free agent in July. As the best center available, he'll garner plenty of interest. Still, he could re-sign with the Jackets if he enjoys playing for them over the remainder of this season.WINNERS & LOSERSColumbus general manager Jarmo Kekalainen could be counting on that. Re-signing Duchene would counteract Jed Lowrie Jersey the expected departure of left wing Artemi Panarin, another pending UFA to test this summer's free-agent market. The money Kekalainen would've invested in Panarin could instead go toward Duchene, who could cost around $9 million annually on a long-term deal.The Blue Jackets weren't the only club pursuing Duchene near the trade deadline. Stu Cowan of the Montreal Gazette the Canadiens had interest in Duchene prior to his trade to Columbus. The Athletic's Arthur Staple the Islanders also made a pitch for the center before the deadline.Cowan speculatedthe Canadiens could be among Duchene's suitors this summer. Islanders GM Lou Lamoriello is famously tight-lipped about his roster plans but could have Duchene in his sights if Brock Nelson departs as a free Nolan Ryan Jersey agent.GRADES: Panthers planning summer spending spree?The Athletic's George RichardsPanthers GM Dale Tallon attempted to acquire Mark Stone from theSenators before Monday's trade deadline. Stone was instead , agreeing to sign an eight-year contract extension with them.Tallon may have struck out on Stone but Richards expects he'll be busy shopping around for talent this summer. The Panthers' plethora of draft picks (six in the first four rounds of this year's NHL draft) and their salary-cap space for 2019-20 give Tallon the means to be an active player in this summer's trade and free-agent markets.Richards believes the Panthers need a top-end forward and a premier goaltender, as well as a defenseman. Speculation Jeff McNeil Jersey that Tallon was very interested in Blue Jackets winger Artemi Panarin and goaltender Sergei Bobrovsky.With both likely to depart Columbus via free agencyJuly 1, Tallon could pursue both this summer.NHL DRAFT 2019: | Flyers looking toward offseasonFlyers GM Chuck Fletcher held off trading power forward Wayne Simmonds as long as po sible leading up to the deadline. He wanted to give his club as much time as po sible to get back into the playoff race.While the Flyers improved since the calendar flipped to 2019, they entered deadline day still seven points out of a playoff spot in the Eastern Conference. Fletcher then waited until nearly the last minute in hopes of landing a good return for Simmonds, finally settling on checking-line winger Ryan Hartman and a conditional fourth-round pick in the 2020 draft from the Predators.NBC Sports' John Boruk reported Fletcher will use the salary-cap money he would've invested in re-signing Simmonds to strengthen Neil Walker Jersey his roster via free agency this summer. The Flyers GM also told Dave Isaac of the Camden Courier-Post .MORE:The Flyers are well-positioned Mike Piazza Jersey to become buyers this summer. They've got just $46.8 million tied up in 12 players, with youngsters Travis Konecny, Ivan Provorov and Travis Sanheim coming off entry-level contract without arbitration rights.If Fletcher seeks a replacement for Simmonds via the free-agent pool, perhaps he'll target Hurricanes winger Micheal Ferland. If Erik Karl son doesn't re-sign with theSharks, maybe Fletcher will get into the bidding for the two-time Norris Trophy winner.TheLightning,Maple LeafsandJets are three clubs facing potential salary-cap crunches this summer. Maybe Fletcher sets his sights on the Lightning's J.T. Miller or Brayden Point, or the Leafs' Michael Nylander or Kasperi Kapanen, or Winnipeg's Nikolaj Ehlers or Jacob Trouba.