FOXBORO, MA - OCTOBER 05: Devon Still #75 of the Cincinnati Bengals walks off the field after playing the New England Patriots at Gillette Stadium on October 5, 2014 in Foxboro, Massachusetts. (Photo by Jared Wickerham/Getty Images)

NFL player behind one of the league's best stories retires at age 28

He finishes his career with 21 tackles and 0.5 sacks. 

Devon Still, who made national news after the Cincinnati Bengals added him to their roster to help pay for cancer treatment for his young daughter, Leah, has retired from the NFL at just 28 years old.

Still joined the NFL in 2012 and announced his retirement to TMZ:

"I never wanted to be somebody who gives up on their dreams, but I don't want to be somebody who chases their dream too long and misses other opportunities."

Still was a second-round draft pick in the 2012 NFL Draft by the Bengals. He played in 33 games over four seasons with the Bengals and Houston Texans.

He finishes his career with 21 tackles and 0.5 sacks.

His daughter, Leah, was diagnosed with Stage 4 neuroblastoma, a form of pediatric cancer.

According to NJ.com, she only had a 50 percent chance of living. As of August, the 7-year-old Leah was two years in remission and moving on with living a regular life as a kid.