Who said he didn't benefit? But at the end of the day, Brady has won under the old rules and has played most of his career with average receivers. Peyton has one ring with weapons like Harrison and Wayne and now what he has in Denver..
Brady has also not won under the more QB friendly rules with great weapons around him so what's your point? If he can win with less QB friendly rules and "average" receivers why hasn't he won withe better receivers under the new rules since everything is so attributable to the QB and their weapons and the rules? List for me all the SB won on the strength of WR?
let's not go there bruh, let's no forget he had a stallworth and chad Johnson and couldn't get any of them to produce anything 
peyton would put up goat numbers numbers wit prime moss, welker, stallworth, ben watson, gaffeney, troy brown 
and a great defense
Last time I checked Mr. Clutch Cool had the ball last and had Randy Moss beating double coverage on 3 separate plays and couldn't even get into field goal range. If you wanna talk about things he had nothing to do with he had nothing to do with a fumble being magically turned into an incomplete pass or a kicker making a 47 yder (that other guys have missed in perfect conditions under such pressure) in swirling snow, or the squad making it through the 2nd half the next week without him on the road, or holding the Greatest show on Turf to 17 and the defense scoring 7 pts of their own, or the defense harassing all the top QBs of the day in the playoff but it's okay to give him credit for all that stuff right? 
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and Brady has stayed shytting on Manning then and now. Win 10 out of 14 games against someone and have the Coli say you're not on their "level", brehs.