The 18-year-old former Barcelona striker is yet to start for Enzo Maresca in the Premier League but, selected for the fourth time in Europe, he demonstrated a poacherās instinct to bury the visiting side, twice intercepting passes back to the goalkeeper to score before glancing in a fine header for his third.
Kiernan Dewsbury-Hall also scored, as did Marc Cucurella for the second time in as many matches, with Chelsea confirming what had long been apparent: they are far too strong for the teams they have faced in the first phase of Europeās third competition.
The defeat was a first in Europe this season for Shamrock who left west London with the consolation of a place in Februaryās playoff round, as well as with the memory of Markus Poomās goal that briefly levelled things at 1-1 in the first half and offered the glimpse of a major upset.
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