Thorman’s side lost 32-12 at the Leigh Sports Village, and the former Huddersfield and Hull FC stand off knows his side must take advantage of excessive field possession, something York failed to do on Sunday.
He said: “We had 51 play the balls in their half in the second half. They only had 16.
“For me, that means we need to start taking opportunities. We created them, but that final pass or kick let us down.”