The Wrestler (2008)

In its own way this is a magical film. It is corny but it really works.
From Netflix: Mickey Rourke (in a Golden Globe-winning, Oscar-nominated role) stars as retired professional wrestler Randy "The Ram" Robinson, who returns to the ring and tries to work his way up the circuit for a final shot at defeating his longtime rival. Along the way, he tries to reconnect with his daughter, Stephanie (Evan Rachel Wood), while exploring a relationship with a stripper named Cassidy (Marisa Tomei, also nominated for a Golden Globe and Oscar). 2008 105 minutes
From the "Medflix" standpoint, The Ram, has a myocardial infarct after a match and undergoes bypass surgery. This has a profound impact on his life.
Trailer.