Bill Belichick has this nice habit. He coaches in Super Bowls.
John Harbaugh has established an impressive trend, too: winning playoff games.
When they face off Sunday for the second straight year in the AFC championship, Belichick's Patriots and Harbaugh's Ravens will offer further proof of the value of stability.
No coaching carousels in New England and Baltimore.
Belichick has been on the job since 2000 and has gone to five Super Bowls, winning the first three. One more trip to the big game and he will tie Don Shula for most Super Bowl coaching assignments.
''He never changes,'' veteran guard Logan Mankins said. ''It's always the same way from him. He coaches the same way. He demands the same things. So, when you have that leader in that role, I think it's easy for everyone else to fall in line.''
Harbaugh has managed something Belichick, Shula and every other NFL coach has not: winning in the postseason in each of his first five years on the job. He's also been to seven co...