As a senior, he was the team captain, an All-Western Waterways Activities Conference selection, and an Academic All-State honorable-mention.

As a junior in 2003, the football program was terminated due to budgets cuts made by the school, but through alumni funding, it was brought back in 10 days.

[3] The other Michigan Tech draftee, running back Jim Van Wagner, was selected by the San Francisco 49ers in the seventh round (183rd overall) of the 1977 NFL draft.

On February 27, 2009, Berger signed as an unrestricted free agent with the Miami Dolphins, reuniting with former Cowboys head coach Bill Parcells, who was the team's Executive Vice President of Football Operations.

[8] Berger spent training camp and preseason with the Miami Dolphins and was acquired by the Vikings on September 12, 2011, the day after the regular-season opener at San Diego.

In 2013, Berger appeared in all 16 games, starting two, contributing on special teams and providing depth along the offensive line.

[9] Berger appeared in all 16 games and started the final nine games at right guard after starter Brandon Fusco was placed on IR, with the team going 5–4 in his starts and with Berger playing a key role in protecting Teddy Bridgewater on his way to the most productive season by a rookie quarterback in team history.

In August 2015, starting center John Sullivan suffered a season-ending back injury and was placed on injured reserve.

On January 6, 2016, Berger was rated +26.8 by Pro Football Focus (PFF), the highest among all centers in the NFL for the season.

[12] Over the final half of the regular season, Berger earned an above-average grade of +1.0 or higher in every game, including a peak of +5.3 against a stout Oakland Raiders defensive line in week 10.

During training camp, Berger won the battle against veteran John Sullivan to be the Vikings’ starting center.

He led the offense with 1,116 snaps played, which were at right guard and one game at center, in place for an injured Pat Elflein against the Chicago Bears.

[16] Berger graduated magna cum laude with a bachelor's degree in mechanical engineering from Michigan Tech in 2005.