Garrett arrived at the Baltimore Ravens' training complex Tuesday morning for a second interview for the position.
The 41-year-old Garrett has been regarded as the front-runner for the job. He was the first candidate to receive a second interview with the team's search committee to fill the vacancy created two weeks ago when the Ravens fired Brian Billick.
Garrett and his wife, Brill, were greeted at team headquarters by president Dick Cass.
Garrett met with owner Steve Bisciotti, general manager Ozzie Newsome and Cass last Saturday for several hours and he has connections to members of the search committee. Garrett and Cass are Princeton graduates. And Garrett's father, Jim Garrett, coached vice president of football administration Pat Moriarty, when Moriarty was with the Cleveland Browns.
The Ravens have also interviewed Indianapolis Colts assistant head coach and quarterbacks coach Jim Caldwell; Cowboys assistant head coach Tony Sparano, who is also a candidate for the Miami Dolphins' opening; former Ravens defensive coordinator Rex Ryan, who's a strong candidate for the Falcons' job and is expected to get a second interview with Atlanta; New York Jets offensive coordinator Brian Schottenheimer and Harbaugh.
The Associated Press contributed to this report.