Craig Carton -- one half of the famous 'Boomer and Carton' sports talk show on WFAN -- has been found guilty of running a massive concert ticket scam.
The radio personality -- who quit his job as Boomer Esiason's co-host amid a federal investigation back in September 2017 -- was convicted in court Wednesday ... and is now facing up to 45 years in federal prison.
As we previously reported ... Carton and a partner claimed to have been operating a ticket business that promised blocks of tickets to big concerts -- yet it was all a lie.