Photo: Troy Taormina, USA Today Sports

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San Francisco up 19

Assuming everything goes well with the tackle injuries, this is a tenuous upgrade. Left tackle Trent Williams was limited at practice this week after missing four weeks with an ankle sprain. Williams has shown considerable toughness throughout his career, and signs point to him gutting through the injury for this week's game against Kansas City. At right tackle, Mike McGlinchey only made it through 22 snaps last week before injuring his calf. McGlinchey didn't practice this week, but coaches referred to the injury as a contusion, a condition offensive linemen often play through. Both he and Trent Williams are somewhat optimistically included in this week's model, and the group ranks 10th this week. Jaylon Moore would likely fill in if McGlinchey can't go, and the group would rank in the middle of the pack.

Indianapolis up 15

Ten days after a disastrous outing on Thursday Night Football Week 5, there's suddenly a rush of good news coming out of Indianapolis. Center Ryan Kelly played through his hip injury and relegated Danny Pinter to the bench. In addition, Matt Pryor and Braden Smith returned to their natural positions of right guard and right tackle, respectively, one week after swapping against Denver. Another boost arrived in the form of Dennis Kelly taking over for Bernard Raimann after the first quarter against Jacksonville. The coaches wasted no time listing Dennis Kelly as the first team left tackle on their Week 7 depth chart, and this group should be the lineup going forward. There are still rumblings that the coaches could bench Matt Pryor, but overall, the Colts' offensive line rises to 11th this week before facing Tennessee on the road.

Denver up 4

With starting left tackle Garret Bolles on injured reserve with a broken leg, the coaches started swing tackle Calvin Anderson against LA Chargers on Monday Night Football. Anderson only lasted 13 snaps before the coaches replaced him with Billy Turner. Turner is a veteran right tackle who missed the first five games rehabbing a knee injury, but despite not playing his natural position, he was a huge upgrade over Anderson and a stabilizing presence on the line overall. In other news, right guard Quinn Meinerz returned from his hamstring injury and played 100 percent of snaps, sending Graham Glasgow to the bench. These two changes add up to a modest upgrade for the Broncos' line. The group ranks 23rd before facing a tough New York Jets defensive front seven on short rest.

Las Vegas up 1

They didn't do anything during their bye week to improve their grade, but the news is still positive: the Raiders' offensive line is no longer ranked last in the league. Based on the outstanding rookie play of right guard Dylan Parham (third round, Memphis) and right tackle Thayer Munford (seventh round, Ohio State), what was once a weakness on the right side of the offense has turned into a strength, especially in run blocking. While no one will confuse this group for the Seven Blocks of Granite, the line has a decent matchup at home this week against a Houston group that can be vulnerable in the run game. The Raiders' offensive line grades 31st overall.

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