Middlesbrough vs Chelsea - LIVE! Chelsea's Cole Palmer squandered a hat-trick of chances as Hayden Hackney handed Championship Middlesbrough a crucial first-leg lead in their Carabao Cup semi-final.

MIDDLESBROUGH, England – Chelsea moved to the top of the English Premier League on Sunday after a first-half strike by Diego Costa earned the visitors a convincing 1-0 victory at Middlesbrough.

MIDDLESBROUGH, England (AP) — Cole Palmer missed from close range and Chelsea lost 1-0 to second-tier Middlesbrough in the first leg of their League Cup semifinal on Tuesday.