Originally written on Fox Sports  |  Last updated 11/15/14
Peyton Manning says he's sick over center J.D. Walton's broken ankle that ended his season and feels fortunate a veteran like Dan Koppen is able to step in. Manning said Wednesday that while everybody was focused on his arm strength upon his arrival in Denver seven months ago, the biggest thing on his mind was working with his new snapper to get the center-QB exchange down. So, Manning and Walton spent endless hours working together on local high school football fields and then at the Broncos' headquarters. The Broncos signed Koppen three weeks ago and he went in just before halftime Sunday against Oakland when Walton broke his left ankle. Koppen spent his first nine seasons with the New England Patriots (2-2), whom the Broncos (2-2) face Sunday.
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