FROM THE FILE —Sergio Martínez is currently registered with Racing Santander as a midfielder, wearing the number 36 shirt. The desk maintains a profile for every senior squad member across the priority leagues. Career details, transfer history and tactical notes appear below as they become available.
This page is a developing record. Match-by-match events, goals and assists will be added here once the events ingest worker lands. Until then, we list the most recent fixtures involving the player's registered club, and any wire stories that mention them by name.