I would try contacting YT member, kidmuzicdotcom. Her websites are:
-= Rhennyroos =- Party Wrapz, Party store
She can make anything and then personalize it. She made a baseball jersey for me that matches my son's uniform colors and has his number and team name on it. She has also made some nice Tees with embroidered names. I am sure she has polos on her site and you can just give her a photo of the embroider work you want done. She works fast and has good prices with quality work!