The Kansas City Royals are tied with the Tampa Bay Rays for 3rd lowest runs scored in all of baseball at 102. Only two teams have scored fewer runs than the Royals.
One of those teams is the Braves at 90, and the other is the Yankees at 101 runs scored this season. So far, both teams are off to a relatively disappointing start, though the KC Royals are at least at .500. The table below was put together using stats from Espn.com
As an additional feature just for kicks, the table shows what the Pythagorean win% is estimated to be based upon the number of runs scored, and runs allowed for each team in baseball.