Matt Damon, Ralph Fiennes’ grueling workouts dramatically transformed their bulked-up bodies

Hollywood actors Matt Damon and Ralph Fiennes have taken their fitness journeys to a whole new level. 

While their fitness regimens may differ, one thing is clear. 

Damon and Fiennes are committed to major physical transformations. 

The actors have endured grueling workouts for their respective roles in "The Odyssey" and director Uberto Pasolini’s "The Return."

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Fiennes proved age is only a number when it comes to fitness.