The problems that plague the Indianapolis Colts’ Andrew Luck are the same that hinder the Arizona Cardinals’ Carson Palmer and pretty much any other quarterback or team that was expected to light it up this year but has not.
As much as an ailing receiver, hurting running back or bad play call, a patchwork offensive line can carve into a team’s efficiency, confidence and, ultimately, its win total.
Indianapolis and Arizona were among the teams expected to reach the playoffs this season, but they have found themselves with losing records in large part because of uncertainty in their offensive lines. They have given up the second- and third-most sacks this season. Minnesota (11), Carolina (11) and Miami (12) lead the league in number of linemen used this season; only the Dolphins have fared well in recent games.
“Looking back to last year, I think we got through most of the year with the same guys,” said Palmer, whose…