The dangerous gamble at Parkhead

Transfer windows are always a exercise in high-wire risk management, but Celtic are currently flirting with structural disaster. As rumors continue to swirl around Alistair Johnston and Arne Engels, former Scottish internationalists Kris Boyd and James McFadden have sounded an explicit alarm.

Speaking on Sky Sports, both pundits made the exact same point clear: Celtic simply cannot allow core first-team assets to walk out the door unless replacements are already through the building. Selling top talent for huge fees looks great on a balance sheet, but cash doesn't lock down the right flank on a Tuesday night in Europe.

The price of modern squad building

Every player in world football has a price, and Celtic operate in a reality where European predators will always test their resolve. However, liquidating your structural spine late in a transfer window without immediate structural reinforcements destroys tactical continuity. Johnston provides the physical edge and defensive security out wide, while Engels offers the midfield engine and progressive passing that keeps Brendan Rodgers' side ticking.

As Boyd and McFadden noted, setting a steep asking price is only half the battle. If Celtic accept a massive bid for Johnston or Engels without a day-one replacement lined up, they immediately signal desperation to selling clubs, driving up inflation on every prospective target.

Tactical reality over accounting profits

Letting key personnel depart before securing equivalent replacements is a failure of forward planning. We have seen this script before in Glasgow, where late panic buys fail to adapt quickly enough to the tactical demands of the domestic calendar and European group stages. The board might see profit margins, but the manager has to deal with the spatial reality on the pitch.

Expect Celtic to hold out for premium valuations while actively working behind closed doors. My prediction: Celtic will dig their heels in and retain both Johnston and Engels past the deadline unless an astronomical offer arrives early enough to trigger immediate, pre-arranged contingency deals.