Birmingham City boss Alex McLeish is confident keeping midfielder Sebastian Larsson.
Wigan and Middlesbrough are eyeing Larsson, but Eck says: "I believe Seb is happy working with us and we're delighted with the progress he's made.
"A year in the Championship is not a disaster for any player.
"We've got to pay the Championship the utmost respect. It's one of the strongest leagues in the world."