LOVIE SMITH Bears
A weightlifting and cardio regimen starts at 5:30 a.m. "I'm a free weight guy," says Smith, 47. "I can max more than when I played [at Tulsa]."
JIM HASLETT Saints
The former All-Pro linebacker, 49, works out every day and keeps a log. He does 800 minutes a month on his stationary bike.
MIKE SHERMAN Packers
The 50-year-old does early morning workouts on an elliptical trainer, and he also lifts weights in a room that abuts his office.
JEFF FISHER Titans
The former NFL defensive back, 47, is an avid long-distance runner: In 2002 he completed Nashville's marathon in 4:09:13.