The Charlotte Knights' Tyler Ladendorf, left, listens to former Negro League player Bill Cathcart, center, as Sam Allen, right, looks on prior to the Knights' game against the Pawtucket Red Sox at

The Charlotte Knights celebrate Negro League Baseball Night at BB&T BallPark in Charlotte, N.C., on Tuesday, April 18, 2017. The Knights players, manager and coaches all wore number 42 in honor of

The Charlotte Knights' Tyler Ladendorf, left, listens to former Negro League player Bill Cathcart, center, as Sam Allen, right, looks on prior to the Knights' game against the Pawtucket Red Sox at

The Charlotte Knights celebrate Negro League Baseball Night at BB&T BallPark in Charlotte, N.C., on Tuesday, April 18, 2017. The Knights players, manager and coaches all wore number 42 in honor of Jackie Robinson, who broke the color barrier 70 years

Former Negro League player Sam Allen looks out onto the field amid festivities as the Charlotte Knights celebrate Negro League Baseball Night against the Pawtucket Red Sox at BB&T BallPark in Charlotte

Former Negro League player Sam Allen looks out onto the field amid festivities as the Charlotte Knights celebrate Negro League Baseball Night against the Pawtucket Red Sox at BB&T BallPark in Charlotte, N.C., on Tuesday, April 18, 2017. (Photo by Jeff

The Charlotte Knights celebrate Negro League Baseball Night at BB&T BallPark in Charlotte, N.C., on Tuesday, April 18, 2017. The Knights players, manager and coaches all wore number 42 in honor of