Fernando Muslera’s World Cup campaign unravelled in Guadalajara when a softly struck shot from Álex Baena slipped through his hands in the 42nd minute, giving Spain a 1–0 lead that would ultimately push Uruguay to the edge of elimination. The veteran goalkeeper, who had already been criticised for errors in the draws against Saudi Arabia and Cabo Verde, was replaced at the interval by Sergio Rochet, a decision that Uruguayan media described as a drastic response to a glaring mistake. Baena’s effort from the edge of the area lacked power, yet the ball bounced awkwardly and Muslera, diving to his left, could only palm it into the net. Television replays showed him gesturing in frustration as the ball crossed the line.

Marcelo Bielsa’s intervention at half-time marked the first time Uruguay have substituted a goalkeeper at a World Cup since the practice was permitted in 1970, according to British press reports. The substitution was not the only bold move: 11 minutes into the second half, Bielsa also withdrew captain Federico Valverde, a decision that Argentine outlets noted generated immediate surprise given the midfielder’s stature. The sequence of changes came amid reports in Uruguayan media of a tense meeting between players and the coach, in which senior figures including Valverde and Rochet had questioned training intensity and tactical approach ahead of the must-win fixture.

Brazilian sports data platforms highlighted that Muslera’s error against Spain was his third mistake leading directly to a goal in this tournament, a record for a goalkeeper at a single World Cup since 1966. In the opening match, he parried a shot into a dangerous area, allowing Saudi Arabia to equalise; against Cabo Verde, he misjudged a free-kick and then rushed off his line for the second goal in a 2–2 draw. Latin American outlets noted that the 40-year-old, who plays his club football for Estudiantes in Argentina, had been a surprise starter over Rochet, the regular during South American qualifying.

Spain’s victory, secured without further scoring, leaves Uruguay with two points from three Group H matches and dependent on other results to avoid elimination. Viewed from the region, the immediate consequence is that a defeat for Cabo Verde against Saudi Arabia would send the African side through and end Uruguay’s campaign. If Cabo Verde lose, Uruguay would still need a complex set of tiebreakers to progress. The outcome in Guadalajara thus shifts the focus to the group’s final fixtures, where Uruguay’s fate is no longer in their own hands.