The San Francisco Giants are down all three starting outfielders following injuries to Hunter Pence, Angel Pagan and Nori Aoki. The impact of all three being gone at the same time will definitely be felt in San Francisco's lineup, which currently — and somewhat surprisingly — stands as the third highest scoring offense in the NL. However, if this outstanding play by fill-in center fielder Juan Perez is any indication, they should be fine defensively. [ Yahoo Sports Fantasy Football: Sign up and join a league today! ] During Wednesday's 4-3 loss to the St. Louis Cardinals, Perez morphed into Spider Man and amazed fans watching by scaling the outfield wall at Busch Stadium and taking away at least extra bases from Stephen Piscotty. The ball seemed to be on track to hit the top of the outfield fence. It may have even inched over the fence for a home run. We'll never for sure after Perez planted his right foot in the wall and them boosted himself up the extra few first needed to make the grab. Check it out again. That's a truly excellent catch, and it wasn't without some risk. Even with the padding, any time you stick a leg out like that, plant it and use it to push off...