Overview
- The Uruguayan holding midfielder, 28, joins from Club León on loan through the end of the season.
- Fonseca will begin training at El Requexón under Guillermo Almada ahead of the January 4 visit to Alavés.
- Oviedo must open a license to register him, with Horațiu Moldovan and Brandon Domingues reported as leading exit candidates.
- The club is evaluating further winter signings, prioritizing a center forward as potential departures of Salomón Rondón and Álex Forés are considered.
- Reported interest in Giorgos Giakoumakis has been mentioned by a single outlet and remains unconfirmed.