Spectators at the Cazoo Darts Masters were spotted holding up banners calling Mauricio Pochettino 'a clown' on Sunday evening.
Stephen Bunting defeated Michael van Gerwen 11-7 to claim his maiden televised PDC title in Milton Keynes, hitting eight 180s to beat the three-time World Champion.
The 38-year-old had booked his place in the final by defeating world No 1, Luke Humphries and two-time PDC World Darts Championship winner Peter Wright.
But when walking out to the main stage at the Marshall Arena, several spectators appeared to hold up cards that had the words 'Poch is a clown' written on them.
It comes amid Chelsea's dismal form this season, with pressure mounting on the Argentine manager after his side have dropped to 11th in the Premier League standings.
The west London outfit have also lost their last two games in the top-flight, suffering a 4-1 defeat by Liverpool at Anfield at the end of January, before they were thumped 4-2 by Wolves on Sunday.
Thiago Silva's wife even appeared to call for Pochettino to be sacked as Chelsea manager after their loss to Wolves, with Bella Silva writing on X (formerly Twitter) 'It's time to change. If you wait any longer it will be too late.'
Fans were overheard booing their own players at Stamford Bridge at the weekend, after Gary O'Neil's side came back from going a goal down after Cole Palmer put the Blues ahead at Stamford Bridge after 19 minutes.
Home supporters inside Stamford Bridge were also overheard chanting 'we're f***ing s***' and sung the name of their former owner Roman Abramovich.
Matheus Cunha hit back for the visitors just moments later, before Axel Disasi would concede an own goal before half-time. Cunha would find the back of the net twice in the second-half, scoring
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