Both Derby and West Brom have again linked with January moves for the Peterborough winger, by The Sun this week.
The newspaper claimed the pair could trigger Maddison's £2.5 million release clause.
When asked whether there is any truth in the rumour, MacAnthony insisted only one Championship club - which is neither Derby nor West Brom - has so far made contact.
But the Irishman added via Twitter: "I'll let fans know if anything changes in due course but we are planning from summertime onwards for a future without our Magic Man [Maddison]. That's football. Next Maverick required & Tas [Serhat Tasdemir] time to shine."
Haven't heard from either of them yet. Just the 1 champ club so far who made a call. I'll let fans know if anything changes in due course but we are planning from summertime onwards for a future without our Magic Man. Thats football. Next Maverick required & Tas time to shine :) https://t.co/JvIrA81f5u— Darragh MacAnthony (@DMAC102) January 6, 2020
Maddison's Peterborough contract expires at the end of this season, allowing potential suitors such as Derby or West Brom to sign the 26-year-old for nothing.
Posh currently occupy League One's sixth position, and will be hoping to join the Midlands pair in the Championship next term.
Doing so is perhaps the only chance Darren Ferguson's side have of keeping the player who has scored or made 128 goals in 211 games in England's third tier.
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