Question: is bleed for this based on a true story

Answer: Yes, Bleed for This is a 2016 American biographical sports film written and directed by Ben Younger and based on the life of former world champion boxer Vinny Pazienza (officially Vinny Paz since 2001). The film stars Miles Teller as Pazienza, with Aaron Eckhart, Katey Sagal, Ciarán Hinds, and Ted Levine in supporting roles.