Roberto Di Matteo has spoken about his decision to allow Robert Koren to leave West Bromwich Albion.
The 29-year-old was thought to be a certainty to receive a new deal after his contract came to an end this season after playing in the majority of games in the club's successful promotion push to the Premier League.
However Di Matteo has opted not to extend the Slovenia captain's contract, meaning the player will be searching for a new club during the summer, maintaining that the decision was a business matter rather than a personal one.
"I need to put the resources that were for Robbie into different types of players," Di Matteo told the club's official website.
"We have similar players in the club, with similar ability, and I'm just looking to add something different to our team.
"It was a difficult decision because he's been a good player for the club.
"He's a very good guy as well.
"But when it comes down to business you kind of have to leave your emotions aside and make decisions that are in the best interests in the club.
"I wish him all the best for the future."