He played college football for the Michigan Wolverines, where he won the Rimington Trophy,[a] and was recognized as a consensus All-American.

On December 4, he made his first start as a right guard against the same Cardinals team when Eric Heitmann was moved to center.

[1] Baas played in all 16 games in 2006, mainly as a special teams player and as an extra eligible tackle on the offensive line.

[1] In 2007, Baas started in 8 of the 15 games that he played in at right guard, after then-starter Justin Smiley was put on injured reserve with a shoulder injury.

Baas was the starting center during Super Bowl XLVI in which the Giants defeated the New England Patriots.

[4] In the August 18, 2013 preseason game against the Colts, David Baas sprained his MCL in the first quarter and underwent an MRI and additional tests.