Team Run Differential Per Game: 2015 MLB Season

Team run differential per game is the average number of runs a team scores per game minus the average number of runs a team allows per game.  This can be a useful statistic to figure out how many runs a team should be expected to score and allow in any given game.  However, it can also be a bit confusing to try to interpret.  For example, for a team that has a team run differential per game of .19, it can difficult to figure out what that means in terms of expected runs scored and allowed per game.