CHELSEA’S 2nd drawstring maintained their 100 per cent grounds successful the 3rd tier of European contention - but not without a fig of scares.
Top scorer Christopher Nkunku claimed his seventh extremity successful the Europa Conference League and connected different nighttime mightiness person had a hat-trick.
But Heidenheim, who besides went into the crippled with 3 wins from three, caused plentifulness of problems for the Blues.
Blues goalkeeper Filip Jorgensen made a drawstring of saves, the champion of them aft Nkunku’s extremity and earlier Mykhailo Mudryk sealed triumph with little than 5 minutes to go.
And isolated from Jadon Sancho, nary of the different outfield players successful the cream-coloured kit made overmuch of a lawsuit to emergence into the archetypal 11 for Sunday’s clash with Aston Villa.
As accustomed Enzo Maresca made wholesale changes from his archetypal 11, with lone Benoit Badiashile keeping his spot from the triumph astatine Leicester.
But Chelsea learned wrong a infinitesimal that it would not beryllium different Thursday nighttime stroll.
Badiashile was booked for fouling Heidenheim winger Leonardo Scienza and Mikkel Kaufmann astir touched successful the resulting escaped kick.
It was an entertaining, end-to-end crippled successful a festive atmosphere.
Marc Guiu, twice, and Kiernan Dewsbury-Hall had shots saved, portion Jorgensen denied Kaufmann, Scienza and Mathias Honsak.
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After Nkunku spooned a decorativeness implicit the bar, Chelsea were awarded a punishment erstwhile Mykhailo Mudryk went flying implicit a situation by location skipper Patrick Mainka.
But Dutch referee Serdar Gozubuyuk went backmost connected his determination aft being summoned to the VAR monitor.
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Nkunku drew different prevention from location ‘keeper Kevin Muller, Tosin Adarabioyo changeable conscionable wide and the fractional someway ended 0-0.
Heidenheim had different accidental earlier Nkunku broke the deadlock.
Sancho’s transverse sat up nicely and the France planetary recovered a good finish.
The location side, with their supporters keeping up changeless sound down the extremity they were attacking, kept going and Scienza curled a changeable conscionable wide.
Wanner should person equalised, but Jorgensen made a good prevention and past different from Scienza’s follow-up.
Substitute Joao Felix sent Nkunku done connected the interruption but Muller kept his squad successful it with different save.
Home sub Maximilian Breunig had the shot successful the nett but it was ruled retired for offside and Muller denied Dewsbury-Hall astatine the different end.
Mudryk yet killed the crippled with an emphatic changeable into the apical country aft much bully enactment by Sancho.
Cesare Casadei was sent disconnected for a 2nd yellowish paper heavy into stoppage time, which reflected a pugnacious but yet palmy evening for the Blues.