Possible Clues:

• Pelé's org.
• Org. that included the New York Cosmos
• Former FC Edmonton org
• N.Y. Cosmos org
• Cosmos' org.
• Org. that Pelé played in
• Pelé once played in it: Abbr.
• Pelé's org., once
• Old sports org. featuring the Minnesota Kicks
• Former soccer org.