The victor waits for a sign from the crowd. If the losing gladiator has put up a good fight, the crowd might choose to spare his life and the vanquished gladiator will live to fight another day. But if the crowd is dissatisfied with the losing fighter as was usually the case its dissatisfaction meant slaughter.
Yes, in ancient Rome, gladiators could be awarded their freedom after winning a certain number of fights or through other means, such as good behavior or being granted freedom by their owner.
Open the Home screen of PS4, and then navigate to the Settings menu and select Account Management. Select Restore Licenses and then click on Confirm if prompted. Wait for the process to complete. Then reboot your console and check if the Call of Duty Modern Warfare Multiplayer not working issue gets fixed.