They’ve spent months training to perfect their bodies and countless hours overcoming pain. Now, they’re ready to spill their blood for your amusement and a greater purpose. These fighters aren’t from Spartacus, they’re fighting for Haymakers for Hope, the organization helping people fighting cancer with an amateur charity boxing exhibition, “Rumble in the Rockies II.” Having raised more than $10.5 million for cancer research, the fighters of Haymakers for Hope are hoping to KO the biggest foe of them all.

7:30 P.M., June 6. General admission is $75 dollars, VIP start at $100. Fillmore Auditorium, 1510 N Clarkson St. haymakersforhope.org. tinyurl.com/yydlgq8s; info@haymakersforhope.org.