Artist Corey Pickett of Clovis, N.M., stands next to his artwork of Muhammad Ali that was created from corrugated paper. Pickettís art is among 25 pieces of art that will on display at the Muhammad Ali Center in Louisville, Ky., until March 16. (AP Photo/Bruce Schreiner)

A portrait of boxing great Muhammad Ali in his prime is part of the collection of artwork that will go on display Friday at the Muhammad Ali Center in downtown Louisville, Ky. The contemporary art show features 25 pieces created by 21 artists from across the country. (AP Photo/Bruce Schreiner)

** FOR IMMEDIATE RELEASE--FILE **Muhammad Ali throws a punch at Joe Frazier, right, during their bout at Madison Square Garden in New York, in this Jan. 28, 1974, file photo. The Muhammad Ali Center chronicles the life of "The Greatest" inside and outside the ring, emphasizing his peaceful values and vision of global tolerance, and setting the record straight about that infamous gold medal. (AP Photo/File)

"The Greatest" exhibit at the Muhammad Ali Center. | COURTESY OF THE MUSEUM

The Muhammad Ali Center in Louisville, Kentucky. | COURTESY OF THE MUSEUM

A young visitor checks out the Olympic torch carried by Muhammad Ali at the MUHAMMAD ALI CENTER in Louisville, Kentucky. | COURTESY OF THE MUSUEM

An exhibit at the Muhammad Ali Center in Louisville, Kentucky. | COURTESY OF THE MUSEUM