Broncos officially franchise Prater

As expected, the Broncos have placed their franchise tag on kicker Matt Prater.  V.P. of football operations John Elway broke the news on Twitter. “Placing the franchise tag on Matt Prater ensures that he’ll be a Bronco in 2012,” Elway said. That’s a good idea, given that the Broncos currently play plenty of close, low-scoring…