Osborn served five years in prison for racketeering before finding God and dedicating his life to helping youths. The two-time Golden Gloves champion also became an ordained minister.
"Boxing is the ministry," he explained. Rock Ministries offers 26 rooms, each with a different purpose for the community. "We have grappling, boxing. We have homework club, music, art, rappelling."
It's all free — with one string attached.
"What we'll do at 6 o'clock on Tuesday, we'll stop and have a prayer for five minutes. Then on Thursday, we have a Bible study," he said.
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Since Rock Ministries opened 15 years ago, Osborn said they have helped 10,000 kids.
The ministry has been a life-changer for 20-year-old Tyhler Williams, who will make his professional boxing debut Saturday night at The Met in North Philadelphia.
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Williams looks up to Osborn as "an example of what hard work can do no matter where you live. No matter where you're at, especially in this area."