But the South Africa skipper also says he has a lot of respect for his international rival as the two prepare to lock horns in the World Cup later this month.
Atletico, whose last top-flight trophy came in 1996 when they won La Liga to complete a league and cup double, made a poor start to the season but skipper Antonio Lopez says his team are ready to complete an impressive turnaround by winning in Hamburg.
"There have been enough changes to produce massive, positive results, " says Russell Coutts, the New Zealand skipper whom Bertarelli recruited to win the last America's Cup for his Team Alinghi.