RAISING A RED FLAG

Here's how the 32 NFL coaches stack up when it comes to percentage of successful career coaching challenges:

Coach, teamWL(2020)Pct.

Matt Rhule, Panthers20(2-0)1.000

Kevin Stefanski, Browns20(2-0)1.000

Doug Marrone, Jaguars2316(1-1).590

Kyle Shanahan, 49ers129(1-1).571

Brian Flores, Dolphins54(1-2).556

Bruce Arians, Bucs2624(2-0).520

Doug Pederson, Eagles1615(2-0).516

Mike Zimmer, Vikings2019(1-0).513

Mike McCarthy, Cowboys4747(0-1).500

Ron Rivera, Washington3030(2-0).500

Kliff Kingsbury, Cardinals33(0-0).500

Andy Reid, Chiefs6066(1-0).476

Pete Carroll, Seahawks4349(1-0).467

Matt LaFleur, Packers56(0-1).455

Sean Payton, Saints5567(1-0).451

John Harbaugh, Ravens4760(1-1).439

Mike Tomlin, Steelers3446(0-2).425

Matt Patricia, Lions57(1-1).417

Raheem Morris, Falcons1014(---).417

Bill Belichick Patriots4973(1-4).402

Sean McVay, Rams812(1-0).400

Anthony Lynn, Chargers46(0-1).400

Adam Gase, Jets711(1-1).389

Jon Gruden, Raiders76122(1-1).384

Zac Taylor, Bengals35(0-0).375

Vic Fangio, Broncos24(2-0).333

Mike Vrabel, Titans37(0-0).300

Frank Reich, Colts411(0-2).267

Romeo Crennel, Texans823(0-1).258

Matt Nagy, Bears26(0-0).250

Sean McDermott, Bills314(0-2).176

Joe Judge, Giants00(0-0).000

Source: Pro Football Reference