Move over, 50 Cent, there's a new worst first pitch of all time ... courtesy of Conor McGregor's ceremonial toss at the Cubs game on Tuesday!!
The sharply-dressed UFC superstar strutted to the mound for the first pitch before the Cubbies faced off against the Minnesota Twins at Wrigley Field ... and chucked his attempt about 20 feet to the right of home plate.
As Harry Doyle would say, it was "juuuuuust a bit outside.