MLSsoccer.com's Jason Saghini discusses several on-going position battles that are worth keeping a close eye on that could have a significant impact on your MLS Fantasy squad. Do you have what it takes to compete with Jason and Andrew? You could be one of twelve lucky players to join a head-to-head league with MLSsoccer.com's resident experts. Leave a comment below or tweet @JasonSaghini and @Andrew_Wiebe: why do you deserve a spot on the list? Jason and Andrew will pick their twelve favorites to invite to their experts' league.Visit Fantasy.MLSsoccer.com today to start building your team.