Less than a minute after taking the field, Korkidas was sin-binned for a reckless challenge on Robinson - an offence which enabled Thorman to stretch the lead to 20-14.
With less than a minute gone, Warrington were reduced to 12 men for 10 minutes when Riley was sin binned, having been ruled to have held Huddersfield scrum-half Scott Grix down too long after a try-saving tackle.