Original sentence: Although Chelsea were at home and had managed to hold Barcelona to a goalless draw at the Camp Nou in the first leg, Barcelona went into the second leg as favourites.Chelsea could have been given up to four penalties, but none was awarded by Norwegian referee Tom Henning Øvrebø.Despite Barcelona's domination of possession, Chelsea were the more dangerous side, especially after Eric Abidal was sent off for a foul on Nicolas Anelka
Edited sentence: Although Chelsea were at home and had managed to hold Barcelona to a controversial goalless draw at the Camp Nou in the first leg, Barcelona went into the second leg as favourites.Chelsea could have been given up to four penalties, compared to barcelona two, but none was awarded by Norwegian referee Tom Henning Øvrebø.Despite Barcelona's domination of possession, Chelsea were the more dangerous side, especially after Eric Abidal was sent off for a controversial foul on Nicolas Anelka