What happened: Chelsea manager Liam Rosenior claimed Arsenal disrupted his team's warm-up ahead of their Carabao Cup semi-final second leg at the Emirates Stadium.
Why it matters:
- Such incidents can increase tensions between rival teams during important matches.
- Players and coaching staff may be affected by pre-match distractions, impacting performance.
MNN Take: Pre-match routines are crucial for teams to prepare mentally and physically, so any interference can cause frustration and affect focus.
Sources: BBC Sport