Football after hair transplant surgery
I can appreciate your love of sports, but try to avoid strenuous activity like this for at least 3 weeks following a hair transplant. Chances are you are fine, but post op care is very important after this procedure. Check in with your doctor and take it easy for a couple weeks! Best of luck.
Consult Your Doctor
Most doctors would probably agree that 9 days is a little early to play football, especially if you are going to be heading the ball itself. While it's possible you may have hurt your grafts, the only way to be sure is to either wait a few months to see if they start growing, or have them checked by your doctor.
Worried about lost grafts after playing football
You should follow up with your doctor as soon as you can. It's impossible to tell from your photos if you did any damage but it is very possible that you harmed your grafts if you headed the ball playing football.
Maybe you damaged the grafts, maybe you didn't. No way to tell other than wait to see how it grows.
Maybe you damaged the grafts, maybe you didn't. There is no way to tell other than wait to see how it grows. If the trauma was severe enough, it may have damaged the grafts. If you are worried check back with your doctor for an examination.
10 days following hair transplant and is worried if he lost grafts after playing football
If you are worried, then go see your doctor. Your doctor will tell you if you should worry. It looks ok to me from the pictures, but you are not in front of me so I can't be sure