MORE: MLB Standings Show Just How Desperate the Red Sox Have Become If you asked baseball fans who would be atop MLB’s home run leaderboard heading into May, you’d have been hard pressed to find anyone giving the response of Munetaka Murakami . The Japanese import only arrived in the U.S. this year, and wasn’t a highly sought-after free agent once being posted by his NPB club, the Yakult Swallows. He eventually reached an agreement with the White Sox, joining Chicago on a two-year, $34 million deal. That contract is one other clubs will be looking at and questioning why they didn’t pull the trigger on signing the 26-year-old. Murakami has been one of the best sluggers in MLB through his first 29 games. He leads the league with 12 home runs entering Tuesday, one more than Yordan Alvarez and Aaron Judge, and his .592 slugging percentage ranks seventh among all qualified hitters.…