The shortest player on the 2011 New Orleans Saints in RB/KR Darren Sproles who is listed at 5'6'' and 181 pounds.
I can't verify this, but I'm 99% sure of my answer. The shortest Saint is runningback Darren Sproles (5'6"); tallest is tight end Jimmy Graham (6'7.5"). Both are excelent at their position. If there is a Saints player taller that Jimmy Graham, it would likely be an offensive lineman.
Darren Sproles
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.
Drew Brees
drew brees get paid the most on the saints.
The first player signed to a contract (January 27, 1967) by the New Orleans Saints was kicker Paige Cothren. Cothren hadn't played in the NFL since 1959 and did not play for the Saints.
Darren Sharper
She split from Reggie Bush from the New Orleans Saints.
Steven hampton
Safety Hugo Hollas wore No. 18 for the 1971 New Orleans Saints, which is why Archie Manning didn't wear his college number as an NFL player.
Hoby Brenner.Brenner was a tight end for the Saints between 1981-1993.
Apparently not. No one with the last name Treadway is listed historically as an NFL player.