Rangers coach, Steven Gerrard, started Nigeria international from the bench and only brought him in 76 minutes into the match to replace Ryan Kent.
Rangers survived a late onslaught in Portugal to earn a deserved Europa League draw with Porto.
Allan McGregor was the hero at the death with a stunning double save to ensure Steven Gerrard’s men finish matchday three in second spot.
Luis Diaz put the hosts in front after 36 minutes, but Alfredo Morelos scored his 10th goal in 11 Europa League games to level before the break.
The sides – who are level on points – meet again at Ibrox on 7 November.
Both trail group leaders Young Boys by two points in Group G after they beat Feyenoord in Switzerland.