Long missed out on a move to Hull City on deadline day earlier this season
Olsson told the Birmingham Mail: "I think he has shown that he is a great player and, when he's at his best, he's a top performer in the Premier League. I'm happy we managed to keep him. We have competition all around now, it will do the squad good."
For breaking stories and all the great banter like us on Facebook: facebook.com/tribalfootball