Sage Jamen Rosenfels (born March 6, 1978) is a retired American football quarterback. He played college football at Iowa State before he was drafted by the Washington Redskins in the fourth round of the 2001 NFL Draft. He played with the Miami Dolphins from 2002–2005, the Houston Texans from 2006–2008, the Vikings in 2009, and the New York Giants in 2010. He spent portions of the 2011 season with the Giants and Dolphins. Through 2010, he had completed 351-of-562 passes for 4,156 yards, 30 touchdowns, and 29 interceptions, and had a career 81.2 quarterback rating.