While he is not looking at their 19-point lead, Steven Gerrard felt Rangers proved a point with their battling victory over Celtic.
They did not offer much attacking threat against Celtic, but Rangers earned a priceless victory that moved them closer to league glory.
Scottish Premiership side Rangers made light work of Lech Poznan to finish above Benfica atop Group D.
Having netted Liverpool's fastest Champions League goal, Mohamed Salah passed Steven Gerrard as the Reds' record scorer in the competition.
Benfica's Darwin Nunez scored in stoppage time to deny Rangers a 10th consecutive win in all competitions.
Mohamed Salah is in just his third season with six-time European champions Liverpool but has already matched a goalscoring record.
Rangers made it eight wins in a row across all competitions thanks to Alfredo Morelos' intervention against Lech Poznan.
James Tavernier scored his ninth goal in 10 outings before Kemar Roofe sealed victory in style for Rangers in Belgium.
Rangers lead Celtic by four points at the top of the table, but Steven Gerrard was not getting carried away despite sealing a famous double.
Another Old Firm derby win put Rangers four points clear of fierce rivals Celtic at the top of the Scottish Premiership.