I don't know if these are 'fake' but does this help? The researchers say it may possibly be caused by 'heading the ball' whatever that may be. They don't seem to show any before and after so maybe they were already shrunken. Soccer players show signs of brain shrinkage
Quote:
Soccer players show signs of brain shrinkage
Small study suggests sport carries risk of long-term brain injury
Reuters
Updated: 12:34 p.m. PT July 23, 2007
College-age soccer players may show some degree of brain-tissue shrinkage, a small study has found — adding to evidence that the sport carries a risk of long-term brain injury.
Using high-resolution MRI brain scans, researchers found evidence of reduced gray matter in the brains of 10 male college soccer players, compared with 10 young men who had never played the sport.