Best of Tuesday at NFL training camps: All smiles at Patriots practice, Packers and Giants swap CBs, plus an injury scare for the Ravens

The Pats and Eagles held joint practices, while a Pro Bowl cornerback limped off the field. Here's what you need to know from Tuesday at camps.

source https://www.espn.com/nfl/story/_/id/32038847/nfl-training-camp-updates-all-smiles-patriots-eagles-practices-packers-giants-swap-corners-injury-scare-ravens