Chelsea's French defender # Maxence Lacroix (L) and Chelsea's English midfielder # Morgan Rogers (R) warm up ahead of the pre-season friendly football match between Chelsea and Real Sociedad at Stamford Bridge in London on August 15, 2026. (Photo by Adrian Dennis / AFP via Getty Images)

Chelsea's French defender # Maxence Lacroix warms up ahead of the pre-season friendly football match between Chelsea and Real Sociedad at Stamford Bridge in London on August 15, 2026. (Photo by Adrian Dennis / AFP via Getty Images)

Chelsea's Argentinian midfielder #08 Enzo Fernandez warms up ahead of the pre-season friendly football match between Chelsea and Real Sociedad at Stamford Bridge in London on August 15, 2026. (Photo by Adrian DENNIS / AFP via Getty Images)

Chelsea's Argentinian midfielder #08 Enzo Fernandez warms up ahead of the pre-season friendly football match between Chelsea and Real Sociedad at Stamford Bridge in London on August 15, 2026. (Photo by Adrian DENNIS / AFP via Getty Images)

Chelsea's US goalkeeper Gaga Slonina warms up ahead of the pre-season friendly football match between Chelsea and Real Sociedad at Stamford Bridge in London on August 15, 2026. (Photo by Adrian DENNIS / AFP via Getty Images)

Chelsea's Spanish goalkeeper #01 Robert Sanchez warms up ahead of the pre-season friendly football match between Chelsea and Real Sociedad at Stamford Bridge in London on August 15, 2026. (Photo by Adrian DENNIS / AFP via Getty Images)

Chelsea's Spanish goalkeeper #01 Robert Sanchez warms up ahead of the pre-season friendly football match between Chelsea and Real Sociedad at Stamford Bridge in London on August 15, 2026. (Photo by Adrian Dennis / AFP via Getty Images)

Chelsea's Spanish goalkeeper #01 Robert Sanchez gestures to fans as he warms up ahead of the pre-season friendly football match between Chelsea and Real Sociedad at Stamford Bridge in London on August 15, 2026. (Photo by Adrian Dennis / AFP via Getty Images)