Como beat Manchester United 4-1 in the Champions League on Wednesday. Nico Paz scored twice for Cesc Fàbregas's side, who are making their debut in the competition.
2 minutes in, Paz curled in the opener past Senne Lammens.
Tasos Douvikas, Paz and Jacobo Ramón made it 4-0 by 76 minutes.
Joshua Zirkzee scored for United in stoppage time.
9 first-team players were missing, including Luke Shaw and Lisandro Martinez.
Why it matters: United are now seven games without a win, their longest run since December 2015. Carrick has lost five of his 11 games in charge.
Captain Bruno Fernandes said the staff chose not to press man to man.
United have conceded inside two minutes in consecutive European matches.
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Coverage by lean% of 12 sources
12 sources · 69 articles · 50% Center coverage
Where they split: Coverage differs on how much of the slump falls on Carrick's tactics and selections versus injuries and the club's summer recruitment.
Center coverage, 6 sources: The center focuses on the match itself, with Como's pressing exposing United's defensive errors.