The greatest sports movie ever?

HOOSIERS.

It's a tie:

The Natural and Rocky!

😎

Hoosiers

I own a Baker's Dozen of Sports Films on either DVD or Blu-ray. They are ...
Baseball
Bull Durham (1988)
Field of Dreams (1989)
Major League (1989)
For Love of the Game (1999)
Basketball
Hoosiers (1986)
Bobsledding
Cool Runnings (1993)
Boxing
Cinderella Man (2005)
Figure Skating
The Cutting Edge (1992)
Golf
The Caddy (1953) - a Jerry Lewis/Dean Martin film
Caddyshack (1980)
The Greatest Game Ever Played (2005)
Horse Racing
A Day at the Races (1937) - a Marx Brothers film
Let It Ride (1989)

Somewhat surprisingly, I have to go with Let It Ride as my favorite.

Rudy

Sea Biscuit

My favorites are, in no particular order:

The Natural
Rudy
For Love of the Game
The Blind Side
A League of Their Own
Remember the Titans
Miracle
Eddie the Eagle
Days of Thunder
The Endless Summer

Rocky

These are off the cuff picks -

Basketball - Hoosiers (1986)

Football - ?

Baseball - The Natural (1984)

Golf - Tin Cup (1996)

Bowling -

Pool/Billiards - The Hustler (1961)

Car Racing - Le Mans (1971)