The 23-year-old spurned a number of chances to score at Wembley before being cautioned for diving in the second half.
Simon was initially ruled out of the World Cup by Head Coach Gernot Rohr after the player's first scan results confirmed he would be out of the tournament.
Southgate will take comfort from the performance of Cahill whose powerful headed goal from a corner after seven minutes will strengthen his claim for a place in the heart of defence.
The second is that while qualification for the 2022 World Cup should not prove too great a hurdle, England as yet have no idea who they will find in their group or how hard progress might be.
At half-time Nigeria were 2-0 down and playing poorly. Suddenly England's press was being bypassed and the offensive nature of their midfield was being exposed.
Alex Iwobi woke up Nigeria immediately in the second stanza, pulling a goal back a minute after the break with a clinical strike, following up Ighalo's shot that hit the upright, 2-1.More news: 54-Year-Old Brigitte Nielsen Is Pregnant With Her Fifth Child!
This mirrored their comeback against Argentina past year, where after going 2-0 down at half-time, they made a raft of changes and blitzed the Albiceleste with four goals, winning 4-2.
"But, also, they have ability".
"The atmosphere is going to be great and we hope to enjoy it and possibly win the game", he said. No one should blame Onigbinde for the players that were not picked, I challenge anyone who says that.
The goal was Nigeria's first ever against England, but they were not content to settle for just one and immediately started pushing for an equaliser as England suddenly found themselves under sustained pressure for the first time.
Alli was born in, and lived in England his whole life - hence his decision to the play for the three Lions at worldwide level, unlike the likes of Alex Iwobi and Victor Moses.
Nigeria's World Cup kit has captured the attention of football fans across the globe following its official release on Friday. The green was soft and blended well with the white stripes without being washed out by them; and the sleeves added a frame to the colour.
Cahill's England future has looked shaky at times this season.
"Nevertheless, Raheem has been fantastic with it all, he manages that situation very, very well".