Chelsea signed off with a perfect record in the league phase of the Conference League as Marc Guiu scored a first-half hat-trick to seal a 5-1 demolition of League of Ireland side Shamrock Rovers at Stamford Bridge.

The 18-year-old former Barcelona striker is yet to start for head coach Enzo Maresca in the Premier League but selected for the fourth time in Europe he demonstrated a poacher’s instinct to bury the visiting side, twice intercepting passes back to the goalkeeper to score before glancing in a fine header for his third.