However, the former CSKA Moscow manager has brought in several new players thus far, and there could be another one on the way in the form of ex-Sunderland midfielder Sebastian Larsson.
The 32-year-old has been offered a one-year contract with the option of another year by the Championship club after deciding against staying at Sunderland.
Larsson was released by the Black Cats after their Premier League relegation, having made over 200 appearances in six seasons at the club.More news: Nissan Leaf images leaked on internet
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"I'm delighted to be here and I am really looking forward to this fresh challenge", he told Tigers TV.
The Sweden worldwide would bring Leonid Slutsky's team a wealth of invaluable experience, with Hull looking to return back to the Premier League at the first time of asking. Larsson could be involved in the first home game of the season when Burton visit the KCOM Stadium this weekend.