When Inter Miami and Orlando City hit the pitch for the first Florida Derby at Nu Stadium on Saturday, there will be more than bragging rights and a valuable three points in the Eastern Conference on the line.  With the calendar flipping to May, it is officially the final month for players to impress for World Cup roster spots, as each of the 48 competing nations must name their rosters by May 30. There is little potential to make changes thereafter.  Although the race for roster spots spreads across nearly every top division in world soccer, the Florida Derby brings a special spotlight to the World Cup, given Lionel Messi’s status, the goalkeepers on show and several others who could suit up for their nations next month.  Here, Sports Illustrated takes a look at three key World Cup storylines in the matchup.  Lionel Messi’s Status Remains Unknown Lionel Messi has yet to commit to the 2026 World Cup.…