CHARLOTTE, N.C. (KDKA) — The DeAngelo Williams Foundation paid for a number of mammograms for low income and uninsured women in Charlotte, North Carolina, Saturday.

The Steelers’ running back was in Charlotte for a “53 Strong for Sandra” event, honoring his mother, who passed away from breast cancer in 2014 at age 53. Four of his aunts also died from breast cancer.

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Williams’ non-profit organization is not the only way he tries to raise breast cancer awareness. He was fined by the NFL in October for having a pink ribbon printed on his eye black, and the NFL declined his request to wear pink the entire football season to honor his mother and aunts. Instead, Williams dyed some of his hair pink.

Through the DeAngelo Williams Foundation, he has also teamed up with the Charlotte Radiology and Levine Cancer Institute in the past to provide 53 free mammography screenings to women in need.

Williams played for the Carolina Panthers, who are based out of Charlotte, until 2014.