Not counting any 6th men. Teams with (?) have players with unknown ages.
AMERICAS
Sentinels - 23.4
C9 - 22.6
NRG - 25
100 Thieves - 21.6
Evil Geniuses - 22.2
Furia - 20.6
KRU Esports - 24.4
Leviatan - 21.2
LOUD - 19.4
MIBR - 20.6
EMEA
BBL Esports - 23
FNATIC - 20.6
Team Liquid - 22.5
Team Vitality - 22.5 (?)
KOI - 21.6
NAVI - 23.4
Giants - 23
Karmine Corps - 23.5 (?)
Team Heretics - 23.2
FUT Esports - 21.2
PACIFIC
Paper Rex - 22
DRX - 20.4
T1 - 24
ZETA Division - 22.8
Talon Esports - 22.3 (?)
Team Secret - 29.3 (?)
Rex Regum Qeon - 22 (?)
Global Esports - 22
Gen.G - 20.7 (?)
Detonation Gaming - 21.2
Zoomer team award: LOUD (19.4)
Boomer team award: Team Secret (29.3)
Youngest player: cauanzin (17)
Oldest player: ANGE1 (33)