The 2019 NFL season will open with 19 of the league's 32 head coaches having been hired since the end of the 2016 season. Vikings coach Mike Zimmer will crack the top 10 in terms of longevity in a current head coaching position. Here are the top nine, including ties:

Coach, team Class of

Bill Belichick, New England 2000

Sean Payton, New Orleans 2006

Mike Tomlin, Pittsburgh 2007

John Harbaugh, Baltimore 2008

Pete Carroll, Seattle 2010

Ron Rivera, Carolina 2011

Jason Garrett, Dallas 2011

Andy Reid, Kansas City 2013

Mike Zimmer, Minnesota 2014

Bill O'Brien, Houston 2014

Jay Gruden, Washington 2014