Johnston – after a two-month absence – made his return at fullback for South Sydney in their last-start win over the Eels with usual custodian Greg Inglis shifting to five-eighth.
Inglis, who earlier in the week expressed his comfort in the halves, was rather impressed with the 21-year-old's return but wasn't sure what the future holds for either man.
"He played well. I've always said he had the talent to do it and he's a future fullback for sure," Inglis said.