ENGLEWOOD,Colo.(AP)鈥?PeytonManningknowsthatatage37,AirMaxClearanceSale,he'slongintoothandshortontime,atleastbyNFLstandards.Yet,theannualinfluxof22-year-oldswhoareever-stronger,ever-fitterandever-fasterhavehimfeelinglikeayoungsterhimself.Theykeephimonhistoes,spryinbody,mindandspirit.