The Venom PKO will be the biggest single progressive knockout tournament in the history of poker, with a $5 Million GTD Main Event. Wednesday, October 14th, 2020 Written by Renee. A brand-new PKO series on Americas Cardroom came to an early end after it did not turn out the way the poker operator had expected. MoMoMo PKO Series was originally scheduled to take place from September 9 to November ..