In June, receiver [Percy Harvin] asked the Vikings to trade him. He later changed his mind.
Now, his mind could be changing back again.
In the aftermath of a report this week from Tom Pelissero of 1500ESPN.com that Harvin and coach Leslie Frazier engaged in a “[heated exchange]” before Harvin’s placement on injured reserve, there is plenty of scuttlebutt regarding the question of whether Harvin will ask again to be traded — and whether this time the Vikings will decide to grant his request.
Though he is one of the best offensive players in the league, Harvin has been a headache for the Vikings for most of his career. He battled with former coach Brad Childress, and the fact that Harvin has gotten under the skin of current coach Leslie Frazier, who is as even-keeled and low key as any coach at any level of the sport, speaks volumes to the problems Percy has caused.
Then there’s the fact that he surely will want to be paid huge money before his rookie contract expires after the 2013 season, and that’s an investment the Vikings may not want to make.
Harvin’s salary expectations won’t make it any easier to trade him. At a minimum, what the next team will have to pay Harvin likely will reduce whatever package is available to Minnesota in the form of pick(s) or player(s).
As the Vikings push toward the postseason without Percy, they may decide that, in the long run, they’re better off without him.
I did not write the above arcticle and it is not my opinion.
Peace...

IN HIGH SCHOOL
He served a one-game suspension early in his junior football season for unsportsmanlike conduct. As a senior, he was suspended for the final two regular-season games after making contact with an official and using inappropriate language during a game against [First Colonial High School]. In basketball, Harvin and a [Green Run High School] player were involved in a scuffle that prompted referees to stop the game with time remaining on the clock. As a result of this and prior incidents, Harvin was suspended from athletic competition by the Virginia High School League (VHSL).
IN COLLEGE
It only got worse as Harvin’s career progressed. At one point during the 2008 season, multiple sources confirmed that Harvin, now a prominent member of the Minnesota Vikings, physically attacked wide receivers coach Billy Gonzales, grabbing him by the neck and throwing him to the ground. Harvin had to be pulled off Gonzales by two assistant coaches—but was never disciplined.
IN THE NFL
He has had run ins with both Brad Childress and Leslie Frazier.
I WAS WRONG, he is an outstanding person.
Peace...
i shouldnt have said calson numbers arnt even close to percy because they shouldnt be... but hes done nothing!!!! its easy we cut him and give percy a deal!!! i dont know whay we havnt?/?I have a feeling Carlson will contribute much more next season. Is he worth his contract? Not even close, but if I understand correctly cutting him still counts against the cap. He was injured for a while and never really developed chemistry with Ponder. Apparently Ponder had the 2nd highest QBR in the final 4 games (behind only P. Manning), so he really did show improvement down the stretch when it was needed most. So the QB position is more solid than it looked at this time last year IMO. Now go get a quality vet to back him up.