A few quarterbacks who have more NFL playoff wins than Justin Herbert 

Tim Tebow 
Glenn Pressnel
Irv Comp
Paul Christman 
Bill Wade
Tommy Maddox  
Gifford Nielsen
John Wolford
Carl Brumbaugh 
Babe Parilli
Lynn Dickey 
Pat Ryan
Bubby Brister 
Dieter Brock 
T.J. Yates 
Elvis Grbac