The Bucks are the No. 3 seed in the East, four games ahead of the Miami Heat A day after getting back Giannis Antetokounmpo and Khris Middleton back, the Milwaukee Bucks have reportedly lost another key player to injury. The Athletic’s Shams Charania reported forward Bobby Portis will “miss some time” after sustaining a sprained right MCL. Portis is averaging 14.4 points and 10.1 rebounds in 26.8 minutes. The injury could be a blow to the Bucks’ hold on the No. 3 spot in the Eastern Conference standings, trailing only the Boston Celtics and Philadelphia 76ers. With the Brooklyn Nets…