Education
Alexander attended Rancho Cucamonga High School from 1998–2002, where he was a track and field athlete as well.
Alexander attended Rancho Cucamonga High School from 1998–2002, where he was a track and field athlete as well.
He was selected by the Detroit Lions in the second round of the 2007 NFL Draft. He played college football at Boise State. He has also played for the Jacksonville Jaguars, Carolina Panthers, Miami Dolphins, and New York Jets.
He is a former Graduate Assistant with Arkansas State University and the University of Washington.
In 2015, he became the defensive backs coach at Indiana State University. While at Boise State, Alexander was a four-time First-Team All-Women's Army Corps selection.
Detroit Lions
Alexander played all 16 games of his rookie season when safety Daniel Bullocks suffered a season-ending knee injury during a preseason game against the Indianapolis Colts. During that 2007 season Gerald recorded 81 tackles, 59 solo and 22 assisted.
He also had 2 sacks, interceptions and fumble recoveries.
Jacksonville Jaguars
On June 26, 2009, he was traded to the Jacksonville Jaguars for Dennis Northcutt. On October 19, 2010, the Jaguars released Alexander. Carolina Panthers
On November 23, the Panthers signed Alexander.
He became a free agent after the season.
Miami Dolphins
Alexander signed with the Miami Dolphins on August 28, 2011. Alexander was released on September 2, 2011 by the Miami Dolphins.
Re-signed on October 19, 2011. New York Jets
Alexander was signed by the New York Jets on December 13, 2011 to add depth to the safety position following a season-ending injury to starting safety Jim Leonhard.
He was released on March 14, 2012.