There's no speculation quite like roster speculation, but at the very least, Concacaf's Gold Cup contenders have given more insight into how they'll craft their teams for next month's regional championship.
The nations who will compete in the Gold Cup—including guest nation Qatar and those who still have a qualifying round to get through—have revealed their preliminary squads for the competition, listing up to 60 players apiece as part of the process of selecting their final teams.
The preliminary rosters represent a formal step and ultimately are just really long lists of names in each respective nation's player pool.