The invited players were announced on the Super Eagles X handle on Monday.
Fisayo Dele-Bashiru, midfielder for Turkish club Hatayspor and younger brother to former Flying Eagles star Tom Dele-Bashiru, gets his first call-up.
There is a return to the team for the trio of Kenneth Omeruo, Alex Iwobi, Bright Osayi-Samuel and Terem Moffi.
Ahmed Musa, William Troost-Ekong and Gift Orban were not invited for the friendlies.
The other invited players are Francis Uzoho, Adebayo Adeleye, Olorunleke Ojo, Jordan Torunarigha, Ola Aina, Bruno Onyemaechi, Semi Ajayi, Calvin Bassey, Jamilu Collins, Wilfred Ndidi, Raphael Onyedika, Joe Aribo, Frank Onyeka Kelechi Iheanacho.
Others are Samuel Chukwueze, Moses Simon, Ademola Lookman, Victor Osimhen, Victor Boniface and Taiwo Awoniyi.
The Super Eagles will take on Saudi Arabia on Friday, 13 October, 2023 before taking on Mozambique on Monday 16 October.
The two games will be played inside the Estadio Municipal De Portimao in Portugal.