This is why it's time to take a zoomed-in examination of one of Week 3's top matchups between two 2-0 teams: the Los Angeles Chargers vs. the Pittsburgh Steelers. Sunday afternoon's showdown between the two squads will be the first between 2-0 teams with top-two scoring defenses since Week 3 of the 1986 seasons when the Seattle Seahawks (8.

Los Angeles has physically dominated the Las Vegas Raiders and Carolina Panthers in Harbaugh's first two games, relying on running back JK Dobbins and a thudding defense more than the arms and legs of uber-talented quarterback Justin Herbert.

Through two weeks, the Pittsburgh Steelers have only allowed 16 points. Last week the Steelers held the Denver Broncos to just six points. Only one team has allowed fewer points through two games. That would be this week's opponent,