Medeama beat TP Mazembe as holders Etoile du Sahel advance.
Bolasie has scored nine goals in 89 Premier League games.
Sunderland sign defender Papy Djilobodji from Chelsea.
Gernot Rohr previously coached Gabon, Niger and Burkina Faso.
Andre Ayew scored 12 goals in 34 games for Swansea in 2015-16
Ogenyi Onazi joins Trabzonspor from Lazio 'to clear my head'
Ghana midfielder Kevin-Prince Boateng joins Las Palmas
Chelsea winger Mohamed Salah signs for Roma on a permanent deal
Jorge Costa had been in charge of Gabon since 2014
Idrissa Gueye has won 32 caps for Senegal.
Group H
Match 38
DAY 11
Spain vs Saudi Arabia 4:0
Goals Spain
Lamine Yamal (10')
Mikel Oyarzabal (21', 24')
Hassan Al-Tambakti (49') OG
Assists Spain
Mikel Oyarzabal (10')
Aymeric Laporte (21')
Dani Olmo (24')
Saudi Arabia
Spain