LeBron James and Stephen A. Smith can end their feud once and for all with their FISTS ... 'cause TMZ Sports has learned a popular boxing promotion is drafting an offer to make a fight happen!!
King James and the ESPN talent have exchanged verbal blows ever since their infamous confrontation at the Lakers game earlier this month ... and on Wednesday, the argument turned to hypothetical violence -- with SAS claiming if LeBron put his hands on him, he would've retaliated with a punch.