Rod Marinelli joined the Dallas Cowboys on January 18, 2013 as the club's defensive line coach, and on January 28, 2014, he was promoted to defensive coordinator. Marinelli has 41 years of coaching experience, including 21 in the NFL.
Rare Number Of Changes On Coaching Staff Needs To Work For Garrett
No matter the reason, to have this much turnover is unusual. In reviewing every NFL team's coaching staff since 1989, only 19 times in that nearly three-decade span has a team switched out at least seven key coaches without changing the head coach himself.