The Boston Red Sox need to do something. The offense simply hasn't performed up to par and is costing the club games consistently. Look at the month of May, for example. The Red Sox have the third-best ERA in baseball over the last 15 days at 2.56 . But, the Red Sox are 6-6 over that stretch. In comparison, the Tampa Bay Rays have the best team ERA in baseball over the last 15 days at 2.02 and they are 10-2. The Milwaukee Brewers — who don't have a high-powered offense themselves — are second in baseball over the last 15 days with a 2.30 ERA, but they have an 8-3 record. Neither the Rays nor the Brewers hit the ball out of the ballpark a lot. Boston is 28th in the league in homers with 31. The Rays are 26th in the league with 34. The Brewers are in last place in the league with 27. You can win games without the long ball, but you need to get on base, move runners along and do the little things right. Milwaukee and Tampa Bay have both mastered this concept. Simply put, Boston should be better.…