The Giannis Antetokounmpo sweepstakes took another major turn this weekend after a new report revealed that the Boston Celtics have already submitted a trade offer to the Milwaukee Bucks. Speaking on The Bill Simmons Podcast , Simmons said Boston recently entered the race for the two-time MVP despite earlier assumptions that the franchise might sit out the bidding process. “From what I heard, they made an offer in the past week,” Simmons said. “I don’t know what the offer was, and I don’t know who was in it, but they are in it. Their hat was in the ring.” The Celtics have been connected to Giannis Antetokounmpo for months. Boston was among several teams— including the Knicks, Miami Heat, Los Angeles Lakers, Cleveland Cavaliers, Minnesota Timberwolves, and Golden State Warriors —that explored trade scenarios before the February deadline. At the time, Milwaukee ultimately chose to keep its franchise cornerstone.…