Craig Carton -- co-host of the popular 'Boomer and Carton' sports talk show on WFAN -- was arrested by FBI agents at his home in Manhattan on suspicion of running a concert ticket scheme.
We're told the alleged scheme looks like this ... Carton and a partner claimed to have been operating a ticket business that promised blocks of tickets to big concerts. Problem is, it was all a lie (allegedly) -- they never had the tickets.
Carton is suspected of defrauding investors out of more than $2 million.
A spokesperson for the U.