Complex sentence: Sergei Pareiko (born 31 January 1977) is an Estonian footballer who plays as a goalkeeper FC Levadia in the Estonian top-tier Premium Liiga and for the Estonia national football team.
Split into simpler sentences: Sergei Pareiko (born 31 January 1977) was an Estonian footballer. He played as a goalkeeper FC Levadia in the Estonian top-tier Premium Liiga and for the Estonia national football team.