The Minnesota Vikings not only will activate quarterback Teddy Bridgewater to the 53-man roster this week, but the team is discussing the probability that veteran Sam Bradford will be placed on injured reserve, according to team sources. A final decision has not been made yet on Bradford. Bradford was not in the team building on Tuesday, which is the norm for quarterbacks even on an "off" day, because he decided to allow Dr. James Andrews to further examine his injured left knee. The examination by Dr. Andrews could result in an exploratory arthroscopic procedure to determine if there a problem that has not been revealed on an MRI, as ESPN has previously reported. Bradford's knee joint and structure has been previously deemed stable by team orthopedic doctors, as well as Dr. Andrews, who repaired the quarterback's two prior ACL tears in 2013 and 2014. Bridgewater has passed all the medical hurdles necessary to return to the active roster, a decision the...