Jack's younger brother, Matt Cassel, is an American football player with the Minnesota Vikings, and his other younger brother, Justin Cassel, is a minor league baseball player in the farm system of the Chicago White Sox.
•
In a strange coincidence on September 7, 2008, Jack replaced injured teammate Wandy Rodriguez in the first inning at Colorado only hours after his brother Matt replaced injured teammate Tom Brady in the first quarter of the season-opening game vs Kansas City.
Jack Kerouac | Jack Nicholson | Jack Nicklaus | Jack the Ripper | Jack London | Jack Kemp | Jack Kirby | Jack Lemmon | Jack Black | Jack Abramoff | Jack Dempsey | Jack Benny | Jack White | Wolfman Jack | Union Jack | Jack White (musician) | Jack and the Beanstalk | Jack Johnson | Jack Charlton | Jack Palance | Jack Daniel's | Jack | Jack Paar | Jack Layton | Jack Straw | Matt Cassel | Jack Vance | Jack Bruce | Cassel | Jack Warden |