There are many things needed on an NFL sideline to ensure players are ready to go ... water, medical tents, video tablets -- and a container of ZYNs?!?
Well, that was at least the case during the Tampa Bay Buccaneers' game against the Baltimore Ravens on "Monday Night Football" ... 'cause Baker Mayfield was spotted getting his nicotine fix on the bench.
The ESPN cameras captured Mayfield popping one of the popular pouches -- which are billed as an alternative to tobacco products -- right before the second half.