Michael Gallup, who signed a one-year contract worth as much as $3 million with the Las Vegas Raiders on April 30 and was expected to compete for the team’s No. 3 receiver spot, instead retired Tuesday, the day before the Raiders’ first training camp practice. Read the the full story on ESPN here…https://www.espn.com/nfl/story/_/id/40627611/raiders-wr-michael-gallup-retires-nfl-six-seasons