Saints teammate sorry to fans for impersonating Colston signing autographs
Coleman has the uncommon height for a receiver like Colston (he's 6-foot-6, Colston is 6-foot-4) and mass -- and the first two letters of the last name in common -- but indeed, he is not Colston.
Judging from Coleman's mea culpa, it appears that some Saints fans who received faux-Colston autographs were not amused:
[H/T ESPN]