* Liverpool hit back to beat Stoke 2-1
* Visitors left Coutinho and Firmino on the bench
* Walters headed Stoke in front
* Coutinho fired the equaliser after 70 minutes
* Firmino struck with a lob three minutes later
* Stoke host Hull next, Liverpool at West Brom
LONDON, April 8 (Reuters) - STOKE CITY 1 LIVERPOOL 2
April 8 (Reuters) - Liverpool produced a stunning fightback as goals from surprise substitutes Philippe Coutinho and Roberto Firmino earned a precious 2-1 victory at Stoke City on Saturday.
Juergen Klopp's side's hopes of finishing in the Premier League's top four looked set for a damaging blow when Stoke took the lead through Jonathan Walters just before halftime.
The visitors had been subdued in the opening half, barely threatening Stoke's goal, but the introduction of Brazilian duo Coutinho and Firmino at halftime changed everything.
Coutinho equalised with 20 minutes remaining when he shot through a crowded penalty area and three minutes later Firmino's superb lob put Liverpool ahead.
Third-placed Liverpool held on to move nine points clear of fifth and sixth-placed Arsenal and Manchester United, both of whom have three games in hand of Klopp's side. (Reporting by Martyn Herman, editing by Pritha Sarkar)