Hasselbeck was originally signed by the Buffalo Bills as an undrafted free agent in 2001 and he was signed to the Philadelphia Eagles practice squad in 2002 as a free agent.
In 2003 he was signed by the Washington Redskins, where he spent two seasons as a backup quarterback. He entered the starting lineup in 2003 when then starter Patrick Ramsey was injured. On December 7, 2003, he completed 13 of 19 passes for 154 yards in leading the Redskins to a 20–7 win over the New York Giants. He threw two touchdown passes and no interceptions in that game. The following week he had the lowest possible single-game passer rating (0.0) in a 27–0 loss to the Dallas Cowboys. Hasselbeck was 6-for-26 (23%) for 57 yards with four interceptions in that game.
In May 2005, the New York Giants signed Hasselbeck to be their backup for QB Eli Manning. His only game action with the Giants consisted of two kneeldowns. On September 1, 2007, he was released by the Giants.
Hasselbeck was signed by the Arizona Cardinals on October 16, 2007. He appeared in one game with the Cardinals. He was also previously on the rosters of the Baltimore Ravens and Carolina Panthers without participating in a game. Hasselbeck had a 63.6 career passer rating.
I have Danny Manning's rookie card 
I was looking through my shyt, and I was like this nikka. 
