Although this allows goals to be scored, critics say the protocol needlessly endangers players.
Forest owner Evangelos Marinakis took to the field after the game to express his concern to manager Nuno Espirito Santo over how Awoniyi’s injury was handled.
Marinakis is being kept updated on the forward’s condition.
On Tuesday Forest said Awoniyi’s injury was “a powerful reminder of the physical risks in the game and why a player’s health and wellbeing must always come first”.
