In the acute phase, with severe pain, it is advisable to take a break from training in the content that primarily triggers the pain. If the pain occurs while running or playing football, then it is a good idea to take a break from this type of exercise.
A study also suggests that it is better to exercise with moderate pain than not at all. The individual, subjective perception of pain can be very well assessed by so-called "pain monitoring".
If you are affected, evaluate your own pain status on a scale of 1 - 10 within a period of 24 to 48 hours after exercise.
If training is still possible but there is moderate to acceptable pain, the load should be adjusted accordingly. First of all, you could reduce the training time. In the setting of team training, you should stop playing intense games or running sessions.
You can also make a shoe change by doing the warm-up in running shoes or training on the artificial turf (or very hard surface) in multi-socks. High forces such as jumping, hard sprints or frequent changes of direction should be avoided during this phase.
If you suffer or have suffered from MTSS that actually required you to take a complete break from running and football, during which you could only do strength sessions, the training intensity and volume should be increased slowly and gradually.
For example, start with one session a week of team training, then after a few weeks, twice a week.
Communication is the key here: take this time, talk to your coaches at eye level and get your ego out of the room.
If you play a game injured, you are neither particularly "tough" nor particularly self-sacrificing. In most cases, you will be out for longer and your team will have to do without you.