Official Wilson soccer ball signed by multiple members of the championship-era Houston Dynamo teams approx. Believed to include signatures from. Dwayne De Rosario #14. Additional Houston Dynamo players. To Isabella – Keep Kicking! Found in an estate sale in Houston, Texas. Autographs have NOT been professionally authenticated. Please review all photos carefully and make your own determination regarding authenticity. Normal wear from age/storage. Signatures remain visible and display well. Great collectible/display piece for. Sports room or man cave display.