Complex sentence: In 2008, he was sold to fellow PrvaLiga team NK Primorje where he became a mainstay in the team, however the team finished the season in 10th place and were relegated.
Split into simpler sentences: In 2008, he was sold to fellow PrvaLiga team Primorje, where he became a mainstay in the team. However, the team finished the season in the last, tenth place and were relegated.