Key Highlights
- Thomas Frank was photographed with an Arsenal-branded cup during a match against Bournemouth.
- The incident occurred after Tottenham's 3-2 defeat, escalating fan outrage.
- Frank stated he did not notice the cup and called it a 'completely stupid' mistake.
- The cup is believed to have been left by Arsenal after their previous match at the same venue.
- The gaffe adds to the pressure on Frank amidst a struggling season for Tottenham.