CONRAD
DOBLER

THEN: All-Pro offensive tackle in the '70s, primarily with the St. Louis Cardinals.

NOW: Knee and hip ailments have left him physically and financially crippled.

MIKE
WEBSTER

THEN: Won four Super Bowls as a Pittsburgh Steelers center.

NOW: Was plagued by dementia in retirement. Died at age 50 in 2002.

BRIAN
DEMARCO

THEN: Offensive guard in the '90s with Jacksonville and Cincinnati.

NOW: Retired at age 27 after suffering serious spinal and knee injuries.

WILLIE
WOOD

THEN: Green Bay Packers defensive back and a hero of Super Bowl I.

NOW: Suffers from Alzheimer'slike cognitive problems.

EARL
CAMPBELL

THEN: Hall of Fame Houston Oilers running back in the late '70s and early '80s.

NOW: Enfeebled by years of hits, he uses a walker to get around.