The issue every Boston Red Sox fan feared their favorite team might have has absolutely come to pass. The Red Sox are one of the worst-hitting teams in Major League Baseball, which most wouldn't have expected. But after preseason ZiPS projections didn't give them a single 20-homer batter, they've hit the third-fewest home runs of any team in the sport through the first 40 games of the season. So no matter the position, the Red Sox are going to be desperate to trade for power at this year's deadline -- if they're even close enough to the playoff hunt to move assets for roster upgrades. Here are three early trade candidates worth flagging: If you like our content, choose Sports Illustrated as a preferred source on Google . Isaac Paredes - HOU 3B The exercise of picking out potential sellers feels silly when the Red Sox could become one themselves.…