Chip Kelly was hired to coach the 49ersThursday in a move that does not surprise many.
He'll bring his unique, fast-paced approach to Northern California and also implement his sports science regime. And he will look to life San Francisco into a new era of competitiveness after a pair of down seasons.
Kelly went 26-21 in three seasons with the Eagles and left a lasting mark on the franchise, as he completely overhauled the roster before he left.
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Will the head coach succeed more on his second stint in the NFL? Many recent coaches who have changed the game had more success with their second stop. Take a look:
Bill Belichick (Browns head coach 1991-95, Patriots head coach 2000-present): While a young Belichick had minimal success in Cleveland during the early 1990s, a lot of the credit for the Ravens Super Bowl run in the years after he left the team (and when they moved to Baltimore). His innovative ideas and knack for scouting helped the Patriots compete for Super Bowl titles for 15 years.
Tom Coughlin (Jaguars head coach 1995-2002, Giants head coach 2004-2015): As the Jaguarscoach Coughlin had a little success down south in Florida but really broke through as an old-school coach when he took over the Giants, who he led to two Super Bowl titles. He looks likely not to have a third stint in the NFL after bowing out of consideration for the Eagles.
Pete Carroll (Jets head coach 1994, Patriots head coach 1997-1999, Seahawks headcoach 2010-present): Carroll technically broke through in his third NFL destination, but similar to Kelly, he came from success in college and struggled early in the NFL. He led the Seahawks to back-to-back Super Bowls including a title in 2014 and is gunning for a third.
Several other head coaches have made it to, or won Super Bowls in their second-go-arounds, like Marv Levy with the Bills in the 1990s, Tony Dungy, who won a title in 2007 with the Colts, Jon Gruden with the Buccaneers in 2003, Mike Shanahan with the Broncos in the 1990s and Mike Holmgren in 2006, among several others.