In 1997, while playing with Olympiacos, Sigalas won the Triple Crown, meaning his team won the Greek League championship, the Greek Cup, and the EuroLeague championship, all in the same year, the only time it has happened in the club's history.
While playing with Olympiacos, Sigalas won the Triple Crown. This was in 1997. His team won the Greek League championship in the same year. This was what Sigalas was meaning in 1997. His team won the Greek Cup in the same year. This was what Sigalas was meaning in 1997. His team won the EuroLeague championship in the same year. This was what Sigalas was meaning in 1997. The EuroLeague championship was all. The same year was the only time. It has happened in the club's history the only time.