It was the right move to go out, on top. The Manning family is football royalty.
He should have a great career as an announcer assuming he doesn't get involved with some of the controversies, that came at the end of his career. Sponsors and other media outlet tend to shy away from that kind of stuff.
http://www.nydailynews.com/sports/fo...icle-1.2554499
Actually, one happened when he was in college and resurfaced again. That should be another thread.
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"It doesn't cost "nuttin", to be nice". 
MOM
I just want to do the right thing! Uncle Joe, (my hero).