No game is defined by its numbers more than baseball. And the 2018 edition of the National League West has certainly seen its share of bizarre stats.
With 2 1/2 weeks remaining in the tightest three-way division race in baseball, here's a look at the key number which best explains why all five teams in the NL West find themselves in their current predicament.
Lovullo on bullpen's struggles D-BACKS
The number: 5
What it means: When the D-backs got rolling in 2017, they rolled.