Tyrick Mitchell gave the Eagles the lead after just 30 seconds, before goals from Jeff Schlupp and Odsonne Edouard sealed the result.
Gallery: Palace lift Stateside Cup in Tampa
Crystal Palace beat West Ham to lift the Stateside Cup in Tampa, Florida, capping off a perfect pre-season tour - check out the best images in the gallery!
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Having already beaten Wolves in Annapolis, the trophy was desinted for South London, with Joachim Andersen lifting the cup in the centre-circle of the 69,000 capacity Raymond James Stadium.
Check out the best images in the gallery!