Jack Del Rio (born April 4, 1963) is an American football coach, a former player, and is currently defensive coordinator for the Denver Broncos of the National Football League. Del Rio played both football and baseball for the University of Southern California Trojans, and then spent eleven years playing linebacker in the National Football League (NFL). He retired from playing in 1996 and went into coaching, serving in a variety of positions for several different NFL teams. In 2003 he was named head coach of the Jacksonville Jaguars, a position he held until November 29, 2011. In that capacity he set the NFL record for the longest tenure of any coach without winning a division championship--over eight years. Del Rio was born in Castro Valley, California. He attended and played basketball, baseball and football for Hayward High School in Hayward, California. He and former Seattle Mariners manager Don Wakamatsu were teammates in both sports while there.
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