In football terms, especially in light of where the Seahawks Kenny Stills Jersey are and where they believe they should still be, trading Richard Sherman would be crazy.In NFL terms, trading him would be nothing even remotely surprising.MORE: Latest Richard Sherman trade rumorsTo most of the sane world, Sherman, 29, is still one of the very best at what he does and if, as its already being hinted, hes not what he used to be, hes still better than pretty much anyone with which the Seahawks might replace him.But to the NFL just focus on one word from above: Replace. Everybody is replaceable. Nobody, not even Richard Sherman, is indispensable. The admi sion by general manager John Schneider made it sound like just a part of the busine s and it is.If there ever was a time and place for the Seahawks to replace him, it would be now, because this is when and where the contract extension he signed in 2014kicks in big-time. Yes, much of this sudden talk about the Seahawks trading Sherman can be tracedto money.According to spotrac.com, Sherman's cap number each of the next two seasons is more than $13 million, but his dead money drops from $9.4 million this season to $2.2 million in 2018, the deals final season.Hes expensive.Hes really good. And the Seahawks have been declaring since right after their playoff elimination by the Falcons last season that their window is not even Byron Maxwell Jersey close to closing yet. The latter two should cancel out the former. Instead, it might be the other way around.Crazy. But very NFL.One can be, no pun intended, the cornerstone of the Legion of Boom, the anchor of a back-to-back Super Bowl team just two seasonsago, an integral part of the teams identity and when it's time for the team to move on from thecontract, thecontracts going to get moved.Nobody is indispensable, nobody is irreplaceable. Peyton Manning didnt finish his career with the Colts, for just one obvious recent example. Julius Thomas Jersey Whos safe, ever? Nope, not even him, you know who, up in Foxborough.Honestly, speaking of the team at hand, the franchise quarterback on Shermans own team isnt guaranteed to stay there forever. In fact, you can bet Ru sell Wilson is watching this Sherman situation closely.MOCK DRAFT: Seahawks go offense in Round 1Coincidentally, the Seahawks conduct busine s in a more Patriots-like fashion than generally gets discu sed. Thats relevant because the team speculated to be tied most to a po sible Sherman trade is the Patriots, with Malcolm Butler involved. There have been pluses and minuses to that model. The minuses have played out on the offensive line, for example.The pluses have played out in the way Kam Chancellor is still Shermans Legion-mateafter he held out for a Matt Darr Jersey new contract two seasons ago, and Schneider held firm. Add to that the revolving door at the opposite corner from Sherman its been an i sue, but not insurmountable, because the Seahawks have kept everybody else in the secondary intact.They've seen the chaos that can ensue when Chancellor and/or Earl Thomas have been mi sing. Theyre still willing to embrace the consequences of removing someone even harder to replace, Sherman.If thats not a me sage that nobody is safe, nothing is.But its the me sage the NFL is never afraid to send by any team, to any player. Richard Sherman is just the latest.