Twilight Ticket, it is for after 6pm until 10pm costing $79. Normal rates for peak season range from $118-168. Likewise, Knott’s Berry Farm is offering an all-day sports group ticket for $39 (normally $45 online and $75 at the gate).
Show Your Badge and Save Program has further discounts around Anaheim and the Orange County area that your group can take advantage of: http://visitanaheim.org/deals/show-your-badge
Attendees and Staff can go to any of the locations in the link above. Show their Badge or Credential your organization can create and give out when they register to be eligible.