We're not claiming the unknown guy in this picture with Liev Schreiber is his actual brother, but we can clearly see by how backwards his hat is that he's totally a bro!
Actually, that's his personal trainer! Though, that doesn't rule him out as being a potential bro for Liev, as working out together is one of the biggest signs of being bros with someone!
These are just facts! Ha!
Whoever this guy is, we're just glad that Liev is keeping healthy and active! Nothing makes us happier than to see celebs being a positive influence!!
[Image via FameFlynet Pictures.]