The San Diego Chargers are 3-2 and sitting atop the AFC West, but the running game has very little to do with it.
With Ryan Mathews out the first two weeks, the Chargers went with a running back by committee approach. Jackie Battle, Curtis Brinkley and Ronnie Brown all got carries, but to say that results were mixed would be generous.
Neither Brinkley nor Brown is averaging over four yards per carry, and although Battle is more efficient at almost five yards per carry, he hasn't rushed for more than 70 yards in a single game.
Fans might look at the record and be satisfied with how things have played out so far. But their three wins are over opponents with a combined 3-8 record, not including the three losses suffered at the hands of the Chargers.
Mathews is the team's leading rusher, and he isn't even among the top 30 rushers in the league.
Here are four reasons why the San Diego Chargers must improve their running game,