The Vice City Metro logo from GTA 6 (the metro station clip from the leaks) can be spotted in GTA 5. It's probably there since the Arena Wars update and is the
Hyman Memorial Stadium Event Missions - GTA: Vice City Wiki Guide - IGN
Hyman Memorial Stadium Event Missions - GTA: Vice City Wiki Guide - IGN
Hyman Memorial Stadium Event Missions - GTA: Vice City Wiki Guide - IGN
Download Zombie Arena for GTA Vice City
GTA Vice City - Hyman Memorial Stadium Missions - YouTube
GTA VICE CITY 5 | Information In 2020 | - INFOS-ARENA.com