NORTH PORT, Fla. — Two years ago, when the coronavirus shut down the minor leagues, Braves minor leaguer Braden Shewmake and his peers received even more proof that Michael Harris II could be special when the outfielder took his final round of batting practice at the club’s alternate site on that day. Harris hopped into the batter’s box and launched a home run from the right side, then flipped over to the left and sent another over the wall. Shewmake and the others looked on in awe as Harris, who is no longer a switch-hitter, made this feat seem effortless. “What in the world?” they said among…