You can set 4 levels of training workload for each player as follows.
   1. Light : The chosen player won't get injured but the chance of getting bad and good training result are 50% and 0% respectively.
   2. Medium : There is a small chance that the chosen player will get injured (depending on his prone of injury status). The chance of getting bad and good training result are 5% and 3% respectively.
   3. Heavy : It is quite risky that the chosen player will get injured (depending on his prone of injury status). The chance of getting bad and good training result are 0% and 12% respectively. He also get and additional bonus of 3%.
   4. Very Heavy : It is risky that the chosen player will get injured (depending on his prone of injury status). The chance of getting bad and good training result are 0% and 30% respectively. He also get and additional training bonus of 10%.
          Fitness recovery is related to the workload as follows. 
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