Problem is, Perez isn't a natural striker either. He looked just as lost up front when he played for us. He's a winger and only spent one season up front out of his entire career. I'd definitely give Perez a run up front over Sanchez but I worry we'll see similar performances unless we change the supporting players. We can't have games where we're struggling to get the ball forward otherwise we'll keep seeing the striker being drawn further back from their goal, ball hunting and playing deep. Ozil also needs to pull his weight also. It's bad enough playing inexperienced wide players or Walcott, players who can't really do the whole link up play stuff, but Ozil is the key to releasing all of them and he's totally off.
I'm tempted to see Giroud being played with Sanchez or Perez behind him. It's something different and we could do with someone with explosive energy working around the box and closer to Giroud.