During a contest, your lineup can earn both positive and negative points depending on their performance. However, these stats can sometimes suffer a delay.
It would be fantastic if all stats were instantly transferable from the in game action, but to ensure accuracy and maintain the integrity of the points scoring system*, there has to be time allotted to achieve the highest possible standard in contests.
*Scoring for contests is handled by a third party and all data is final and will not be adjusted at any point in time.