5 Celtic midfield transfer options as Christopher Scott hopes fade and key replacements needed

It's all set to be an intriguing summer at Celtic Park as part two of Ange Postecoglou 's revolution gets into full swing.

Part one wasn't half bad, yielding the Premiership title and Premier Sports Cup in a domestic campaign to remember.

The test now for this promising Celtic side is to make the step back up in Europe as they prepare for the Champions League group stage.

Postecoglou is likely to look to midfield for recruits as he seeks to replace Tom Rogic and Nir Bitton following their departures at the end of the season.

It's an area Celtic remain strong in, however, so perhaps fans are more likely to see a gradual evolution of Postecoglou's engine room over an immediate revolution.

Some players have already been linked with a move to Parkhead while there are certain to be other irons in the fire, too.

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Bayern Munich's Christopher Scott is one such name but the Bundesliga champions look set to trigger an extension clause in his contract before looking to move him on.

However, reports from the continent claim Scott wants to remain in Germany.

Here's a look at five other potential options for Celtic.

Barron has reportedly already been scouted while on Scotland U-21 duty in midweek, where