Complex sentence: He immediately led the club to two championship titles in 2001 and in 2002, being runner-up in season 2003 and claimed two national cup titles in 2001 and 2003, being the runner-up in 2002.
Split into simpler sentences: He immediately led the club to two championship titles in 2001 and in 2002, being runner-up in season 2003. He also claimed two national cup titles in 2001 and 2003, being the runner-up in 2002.