Sam Shields, Packers agree to four-year, $39 million contract

One of the top free agent cornerbacks is off the market. The Packers and cornerback Sam Shields have reached a four-year, $39 million contract, a league source told PFT’s Mike Florio on Saturday. Shields will receive a $12.5 million signing bonus, and his 2014 compensation is $15 million. By the second season, Shields is slated…