Who doesn't love to go shopping? GMs surely do.Beginning on Wednesday, NHL's top guys will get a chance to do just that as free agency opens up. A number of big fish have already been reeled in by their 2021 clubs while others have been released into the NHL's wild like the Wild's Blank Jersey Zach Parise and Ryan Suter, who were bought out and are now up for grabs.It'll be intriguing to see how teams handle this year's offseason signing. They must take into considerationa flat cap that is expected for the nextfew years, plusthe regular season is starting just 76 days from the opening Bryce Harper Jersey bell of the frenzy.Here's everything you need to know as the NHL's shopping season begins.MORE: When does 2021 NHL free agency begin?Date: Wed.,July 28Time: 12p.m. ETWhat channel is the beginning of 2021's Jorge Alfaro Jersey NHL free agency on?TV (U.S.): NHL NetworkTV (Canada): Sportsnet, TSNLivestream (U.S.): ESPN+Livestream (Canada): SN NOW, TSN.ca, TSN App, TSN DirectFree agency opens up at 12 p.m. ET on Wednesday and the networks will be airing all the frenzy. NHL Network and TSN start theircoverage at 11 a.m. ET while Sportsnet begins the day at 11:30 a.m. ET. On Tuesday, ESPN's John Buccigro s revealed on Twitter that the network will be live streaming TSN's coverage on ESPN+.Top 15 unrestricted free agentsPlayer Pos. 2021 team(s) 1. Alex OvechkinLWCapitals2. Tuukka RaskGBruins3. Blake ColemanCLightning4. Philipp GrubauerGAvalanche5.Dougie HamiltonDHurricanes6. Will Middlebrooks Jersey Zach HymanLWMaple Leafs7. Phillip DanaultCCanadiens8. Gabriel LandeskogLWAvalanche9. Tyson BarrieDOilers10. Petr MrazekGHurricanes11. David SavardDBlue Jackets/Lightning14. Alec MartinezDGolden Knights15. Frederik AndersenGMaple LeafsTop 10 RFA players availableNote: These are only players that can be given an offer sheet. Kirill Kaprizov (Wild) and Quinn Hughes (Canucks) are not eligible for offer sheets as 10.2(c) RFAs. Player Pos. 2021 team(s Francisco Rodriguez Jersey ) 1. Elias Petter sonCCanucks2. Rasmus DahlinDSabres3. Brady TkachukLWSenators4. Juuse SarosGPredators5. Pavel BuchnevichRWRangers (traded to Blues)6. Patrik LaineLWJets/Blue Jackets7. Ilya SorokinGIslanders8. Igor ShesterkinGRangers9. Andrei SvechnikovRWHurricanes10. Carter HartGFlyers