Kellan Lutz on most athletic 'Expendables 3' star

3:01 | Sports Illustrated
Kellan Lutz on most athletic 'Expendables 3' star
On Thursday's SI Now, "The Expendables 3" actor Kellan Lutz discusses why Ronda Rousey was the most athletic on set, what it was like to work alongside action legends, and why egos were not a problem while filming.
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