2024 MLS Topps LIONEL MESSI / CAVAN SULLIVAN Legend & Phenom Card #129 - Graded GEM MINT 10. Philadelphia Union star Cavan Sullivan experienced perhaps the best thing that has happened to him since making his MLS debut. The 14-year-old phenom ran to the field to pose with World Cup champion Lionel Messi for a postgame photo. Sullivan credits Messi with being his "idol" and said he couldn't even sleep later that night.