The San Francisco 49ers start three first-round draft picks on their offensive line, including tackle Joe Staley (74) and guard Mike Iupati (77).
The Baltimore Ravens offensive line came together when tackle Bryant McKinnie (78) was moved to the left side, shifting tackle Michael Oher to the right side. The Ravens have picked seven offensive linemen in the first three rounds of the draft in the last 10 years.
Baltimore Ravens quarterback Joe Flacco credits his offensive line for the team's postseason success this season. Here right tackle Michael Oher (74) blocks Denver Broncos defensive end Robert Ayers.
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Maybe the biggest difference between the Bears and this year's Super Bowl combatants is that the 49ers and Ravens have made a commitment to drafting offensive linemen early and often, while the Bears have not.