The Super Bowl streaker is breaking his silence, explaining why he dropped $42k on front-row tix, only to be tackled on the field half-naked and thrown in the pokey ... revealing it all started with a bet!
TMZ Sports talked to SB streaker Alex Gonzalez on Monday ... just hours after he was released from the local jail.
The question ... why?!
Alex says the plan was to originally place a prop bet at a Vegas sportsbook ... plunking down cash on a fan running on the field during the Chiefs vs.