Today I received 1 pack
Dallas Cowboys - Team Photo and 6 2016 Pocket Schedules
Stamped Envelope to
ATTN: Fan Pack Request
Dallas Cowboys Football Club
One Cowboys Parkway
Irving, TX  75063

Bigger Envelope would probably get a bigger response

Today I received 1 Pack
Seattle Mariners - Pocket Schedule, Sticker Sheet, Thank you letter, Puzzle page/Mini Poster and publications leaflet
They wouldn't normally send overseas but I asked them if I sent a stamped envelope to which they agreed