An article by 
Scratching the chalkboard is a regular blog feature where Daniel and Steve look at a few different interesting notes from the OPTA Chalkboard following the game. If you’re not familiar, the OPTA stats are advanced numbers that track every pass, shot, etc…and you can find them by going to the MLS Matchcenter for the particular game and clicking on chalkboard. If some of the terminology seems vague, check the Opta Definitions, which lays out the specific Opta meaning of dribble, chance created, etc…
