Luis Hernandez is starting at second base for the Mets today.

He is not to be confused with:

Luis Hernández, a Mexican-born  long-distance runner.
 
Luis Hernández , an Olympic fencer from Mexico.

Luis Hernandez, a soccer player from Mexico.

Luis Hernandez,  a figure skater from Mexico.

Luis Hernandez, a soccer player from Peru.

Luis Hernandez, a Salvadoran soccer player.

Luis Hernandez, a band member in the Latin Grammy Award winning group Los Tigres del Norte.