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Christian Bale and Matt Damon.
Remember Bruce doesn't just know Keysei, he knows at least ten martial arts even in Nolan's depiction, after climbing the mountain when he first fought Ducard he displayed three different martial arts. Even before training in the League Shadows he could easily take out six men.
He easily took out four ninja's and then Ducard himself on the train being exhausted from the mob that dog piled him and then holding on for dear life on a wire attached a speeding train. Even back at the Wayne Mansion Bruce was able to defend himself against both a Ninja and Ducard without the Bat-suit. When he saved Ducard's life he literally curled a full-grown man. It is evident that Bruce is a decathlete, a super athlete able to easily out-do Jason Bourne physically, and Jason's a superb athlete as well.
Bruce didn't want to kill anyone, which is the sole reason he didn't beat Ra's Al Guhl and Ducard in a straight up fight, but in this fight he's trying to kill. And also in the Dark Knight he wasn't trying very hard in any of his fist fights, he didn't have to. He also man-handled the Joker in the interrogation and carried a hysterical, screaming and maniacal Harvey Dent away from the building as it was about to explode.
Neither Jason Bourne nor Bruce Wayne could afford to lose.
Remember Bruce doesn't just know Keysei, he knows at least ten martial arts even in Nolan's depiction, after climbing the mountain when he first fought Ducard he displayed three different martial arts. Even before training in the League Shadows he could easily take out six men.
He easily took out four ninja's and then Ducard himself on the train being exhausted from the mob that dog piled him and then holding on for dear life on a wire attached a speeding train. Even back at the Wayne Mansion Bruce was able to defend himself against both a Ninja and Ducard without the Bat-suit. When he saved Ducard's life he literally curled a full-grown man. It is evident that Bruce is a decathlete, a super athlete able to easily out-do Jason Bourne physically, and Jason's a superb athlete as well.
Bruce didn't want to kill anyone, which is the sole reason he didn't beat Ra's Al Guhl and Ducard in a straight up fight, but in this fight he's trying to kill. And also in the Dark Knight he wasn't trying very hard in any of his fist fights, he didn't have to. He also man-handled the Joker in the interrogation and carried a hysterical, screaming and maniacal Harvey Dent away from the building as it was about to explode.
Neither Jason Bourne nor Bruce Wayne could afford to lose.