On the Super Bowl roster in 2013, it was OLT Bryant McKinnie, weighing 360 lbs. For the post-Super Bowl Roster, it's currently Nose Tackle Terrence Cody, who weighs in at a svelt 349 lbs. It's currently unclear as to whether or not McKinnie will return to the Ravens for the 2013 roster, as he is an unrestricted free agent.
As of October 25, 2016, John Jenkins is the heaviest player on the New Orleans Saints at 359 pounds. This answer came from the player roster found on the New Orleans Saints' website. I also verified that 359 pounds was correct by consulting Jenkins' player profile on the NFL's official website.
Nate Robinson at 481 pounds!
the Brazilian player kaka'
probably yadier molina weighing in at 230
Reno Mahe. The most worthless player in NFL history.
Offensive tackle Max Starks at 345 lbs. weighs the most on the Steelers. Guard Chris Kemoeatu is listed at 344 lbs.
Dirk Nowitzki of the Dallas Mavericks was the 2007 MVP in the NBA ...
When a club designates a player for assignment, it allows the club to open up a roster spot while it figures out what it is going to do with a player. Most often a player is designated for assignment so the club can open up his roster spot while they wait for him to clear waivers. A club may also designate a player for assignment while they try to trade him to another club.