This game won't change the perception that these teams are playing for third place - and a possible lucky-loser spot in the quarterfinals - in Group B, but it will determine which (if any) of them will be considered the favorite for that position in the group.
Neither side is in imposing form. Martinique hosted the finals of the 2017 Caribbean Cup - and lost both its games. Nicaragua qualified for this tournament via a playoff with Haiti. The 3-0 win over Les Grenadiers that put Los Pinoleros into this Gold Cup was one of just two games they have won in 2017.
A win would be a result to celebrate for either side.
Per livesoccertv.com, here's where to find the game if watching from the US: