The derby is sponsored by the Greater Cleveland Slow - Pitch Softball Hall of Fame and Museum ; Excalibur Auto Body ; and Integrity Stainless .
The derby starts at 6 p.m. .
The derby , which starts at 6 p.m. , is sponsored by the Greater Cleveland Slow - Pitch Softball Hall of Fame and Museum ; Excalibur Auto Body ; and Integrity Stainless .