"But Roma did unbelievable against Barcelona and they can reach the final".
PFA Player of the Year nominee, Salah scored with a deft finish n Saturday's 2-2 draw against West Bromwich Albion, equaling the Premier League's record for the most goals by a player in a 38-game season.
"We had the right attitude and it wasn't easy to come here and have this kind of match", Roma coach Eusebio Di Francesco said.
"We know how well he's doing at the moment at Liverpool, that he's a player who can do something different, but Roma deserve to be in the semi-final".
Roma's top scorer Edin Dzeko stayed on the bench alongside captain Daniele De Rossi with the visitors missing three chances in the first half - Stephan El Shaarawy misfiring twice and Lorenzo Pellegrini also missing a third opportunity.
Roma fans will feel their team has a score to settle with Liverpool, their conquerers when Roma last contested the championship game of what was then the European Cup in 1984 at their own Stadio Olimipico.
The Egypt worldwide matched the record of 31 goals for a 38-game top-flight season set by Alan Shearer (1995-96), Cristiano Ronaldo (2007-08) and Luis Suarez (2013-14) with three matches still to spare with a clever chipped finish. Visiting goalkeeper Bruce Grobelaar's now legendary wobbly legs routine to distract Roma penalty taker Francesco Graziani worked a treat as the unfortunate Roma player sent his effort into the stands to seal a fourth European Cup for Liverpool.
Jurgen Klopp has expressed his delight at the impact of Liverpool's Egyptian attacker Mohamed Salah this season.
Liverpool have thrived in Coutinho's absence, with Mo Salah, Sadio Mane and Roberto Firmino thriving since the Brazilian left the club.
Discussing the reunion with Salah, Nainggolan admits there has been plenty of banter between the two sides following the quarter-finals.