Berlin was signed by the Miami Dolphins of the NFL as an undrafted free agent in 2005, and was also a member of the Hamburg Sea Devils, Dallas Cowboys, St. Louis Rams, and Detroit Lions.
Given the chance to start the 2002 Orange Bowl against Maryland because Grossman was benched for violating curfew, Berlin performed adequately.
The Hurricanes fell behind 33–10 in the third quarter and Berlin began to hear boos from the crowd as it appeared Miami's then-33 game regular season winning streak was about to end.
[15] Several weeks later, Berlin again showed his mettle in leading Miami to a 22–14 rain soaked victory at rival Florida State.
[16] However, Berlin struggled in a 31–7 November 1 loss to the Virginia Tech Hokies, as Miami's regular season winning streak was snapped at 39 games.
[18] Berlin, under intense criticism by the media and fans, was benched by head coach Larry Coker for Miami's next game against Syracuse.
[19] After Miami's offense, now quarterbacked by Derrick Crudup, again struggled in the 17–10 homecoming win against Syracuse, Coker switched back to Berlin.
[23][24] Despite showing poise and strong leadership skills, Berlin's numbers for the 2003 season (2,419 yards, 12 touchdowns, and 17 interceptions) were unimpressive, and Coker opened up competition for the quarterback job in the spring.
[28] The Hurricanes rose as high as #4 in the rankings before late season losses to ACC foes North Carolina, Clemson, and Virginia Tech knocked Miami out of national and conference championship contention.
[33] He served as a backup quarterback for the Dolphins during training camp, although he was not a member of the team's active regular season roster.