Yep, it is clear from the photo who was on the bottom of the struggle.
One of Zimmerman’s family (think it was his father) early-on stated that when Martin discovered the gun on Zimmerman said to Zimmerman “You are going to die tonight MF (not abreviated)” and tried to take the gun.
Did LITTLE Trayvon have a growth spurt in the convenience store? He’s towering over the clerk.