Alyssa Malonson | 26 | Defender | Bay FCHayes has experimented the most at fullback, and Malonson is among the options being explored. Izzy Rodriguez | 26 | Defender | Kansas City CurrentRodriguez is an attacking force at fullback in the NWSL. Mandy McGlynn | 26 | Goalkeeper | Utah RoyalsMcGlynn debuted last fall as the race to replace Alyssa Naeher entered full swing. How quickly that development progresses and, maybe, whether FIFA expands the World Cup rosters to 26 players, could determine her immediate future. Her recent transfer to OL Lyonnes from Ajax marks the next step in her development to train alongside top world players daily.