Salomon Kalou feels that Chelsea can knock Barcelona out of the UEFA Champions League, whilst Manchester United are favourites to beat Arsenal. "We are in good form at the moment," the winger told skysports.com.
"It will be a fantastic tie and I can't wait for it.
"Barcelona are a very good team, but to win the Champions League you have to beat the best, there are no easy team in the semi-final.
"The four left are the best teams in Europe without a doubt."
Chelsea lost to United on penalties in last season's final but Kalou expects to have a chance for revenge.
The Ivory Coast international said: "They are a very good team, and for me they are favourites to reach their second final in a row.
"They are a strong team especially when their two centre-backs are available.
"They are hard to beat and have good players up front to score the goal they need."