Separated at Birth?

Music icon Bret Michaels and actress Ellen Pompeo

Dirtbags Separated at Birth?

Jesse James and Ben Roethlisberger

Separated at Birth?

"The Hurt Locker" actor Jeremy Renner and Chicago White Sox pitcher Jake Peavy

Separated at Birth?

San Antonio Spurs' point guard Tony Parker and Frank the Entertainer

Separated at Birth?

Former MLB All Star Raul Mondesi and Juan, the security guard at my office

Separated at Birth?

Not really sports-related, although I'm sure I could find some connection:

Singer Katy Perry and actress Zooey Deschanel

Separated at Birth?

Karev from Grey's Anatomy and Portland Trailblazers' center Joel Pryzbilla (I will now punch myself in the face for referencing GA)