
var ftGUID_1962226="3318DAD21C3090";
var ftConfID_1962226="3387920";
var ftParams_1962226="ftx=&fty=&ftadz=&ftscw=&ft_custom=&ftOBA=1&ft_ifb=1&ft_domain=www.theguardian.com&ft_agentEnv=0&ft_referrer=https%3A%2F%2Fwww.theguardian.com%2Fsport%2F2015%2Fjan%2F15%2Fin-nfl-playing-through-pain-comes-with-territory&cachebuster=624763.3344028145";
var ftKeyword_1962226="";
var ftCustom_1962226="";
var ftSection_1962226="";
var ftSegment_1962226="";
var ftSegmentList_1962226=[];
var ftRuleMatch_1962226="0";
var ftTimestamp_1962226="1485896755";
var ftGeoC2_1962226="us";
var ftGeoState_1962226="ma";
var ftGeoCity_1962226="cambridge";
var ftISP_1962226="harvard university";
var ftSpeed_1962226="broadband";
var ftDMA_1962226="506";
var ftLong_1962226="-71.1313";
var ftLat_1962226="42.3775";
var ftPostal_1962226="02138";
var ftTimeZone_1962226="-500";
var ftMobileCarrier_1962226="";
var ftImp1962226 = {};
ftImp1962226.privacy = "x";
ftImp1962226.guidAge = "-1";
ftImp1962226.impID = "3318D1DDDFD35B";

document.write('<scr'+'ipt src="https://cdn.flashtalking.com/xre/196/1962226/1209353/js/j-1962226-1209353.js" id="ftscript_m1962226" name="ftscript_m1962226"></scr'+'ipt>');
                    