Juan Perez climbs wall to rob Stephen Piscotty of possible home run

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.

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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 know for sure after Perez planted his right foot in the wall and then boosted himself up the extra few feet needed to make the grab.

Check it out again.

That's a truly outstanding catch.

One person who definitely appreciated Perez's effort was Giants starter Matt Cain. That helped him avoid a potentially big first inning. As it was, St. Louis would go on to score one run after a two-out double from Jhonny Peralta and single from Yadier Molina.

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Unfortunately for Cain, Piscotty would strike again two innings later, this time hitting a home run well out of Perez's reach. The Giants would eventually get Cain off the hook and even briefly held the lead in the seventh inning, but the Cardinals proved more resilient, going ahead for good on Molina's home run.

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Mark Townsend is a writer for Big League Stew on Yahoo Sports. Have a tip? Email him at bigleaguestew@yahoo.com or follow him on Twitter! Follow @Townie813