Several eSports organizations have formed a Team Union, and are now making travel and prize money requirements for attending tournaments. In an e-mail obtained by Richard Lewis for e-frag.net, sent to ESL, DreamHack, StarLadder, FACEIT, PGL, MLG, CEVO, Joindota, Dotacinema, One Game Agency, ESEA, ESWC, Dreamz Media, Beyond the Summit, Fragbite, and Gfinity, Natus Vincere…