Sprinting and jogging

Your player will move in the direction of your mouse pointer .But if you put it further, your player will start running. However, running uses a lot of stamina which can cause your player to move slower afterwards.

Tips
If your player has a high attribute in agility will usually run longer. If your player run really fast, it can be used as an advantage to go pass the defender and then scoring or crossing.

Injury
Your player can get injured if they are running with really low stamina.