Should a professional sports team’s code of conduct extend to their players during the off season? While players have been punished for their online antics during their active seasons, what, if any, control should a team have over their athletes when they aren’t playing? The Jets public relations staff will be mulling this one over for a while. Following weeks of rumors and speculation, the signing of Peyton Manning by the Denver Broncos as their starting quarterback on Tuesday, March 20, 2012, sent the already overheating NFL rumor mill skyrocketing to a whole new level. Tim Tebow, the…