Swansea beat Chelsea 2-0 in the first leg of the League Cup semi finals on Wednesday.
Michu opened the account for Swansea in the 38th minute when he scored from the edge of the penalty area and this was the Spaniard’s 16th goal this season.
Danny Graham scored into an empty net during injury time.
Chelsea is seeking a fifth League Cup title while Swansea going for its first major trophy in its 100-year history and the club is full control – especially with Michu in its ranks.
Fourth-tier club Bradford beat Aston Villa 3-1 on Tuesday in the first leg of their semifinal.