March 28, 2016 at 9:13 PM EST - Updated July 10 at 11:25 AM
Chiefs safety Husain Abdullah announced his retirement after seven seasons on Monday, adding his name to the growing list of players who have walked away from the NFL because of health concerns.
Husain said on Instagram that he sustained his fifth concussion this past season, which sidelined him for five weeks. He said there were many factors in his decision with "personal health being foremost."
Abdullah joined the NFL as an undrafted free agent out of Washington State, and spent four productive seasons with the Minnesota Vikings. He walked away in his prime to make a pilgrimage to Mecca, then returned after one season to earn a roster spot with the Chiefs.
He proved to be a dependable safety for Kansas City the past three seasons.
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