MLB slugger Miguel Sano is callin' B.S. on claims he kidnapped and beat up a man in the Dominican Republic ... but the Minnesota Twins say they're now looking into the allegations.
In a new video released this week ... an attorney accused the 27-year-old infielder and other men of taking his client on May 6 and beating the hell out of him.
In the footage, which is in Spanish, the attorney also says Sano and the others threatened to hang his client in the alleged attack.
But Sano released a flat-out denial to D.