Y. Sierra has officiated 33 matches, issuing 107 yellow and 10 red cards (3.24 yellows per match). Home teams win 66.7% of the time when this referee is in charge.

Match outcome breakdown when Y. Sierra officiates: 66.7% home wins, 18.2% draws, 15.2% away wins. A higher home win percentage may indicate a tendency that bettors can factor into match predictions.

Y. Sierra's workload across 5 years (2021–2025). Tracking how many matches a referee handles per year helps assess experience and current activity level.

Y. Sierra has officiated across 1 competition, with the most appearances in Primera B (33 matches). Compare card and goal averages across leagues to see if the referee's style varies by competition level.

The last 33 matches officiated by Y. Sierra. Review recent cards, goals, and results to spot current trends in this referee's decision-making.