Greg Taylor has arrived to Celtic at Parkhead ahead of the move out of Kilmarnock to get an undisclosed fee.
Both clubs agreed a fee on Monday to get its left-back.
Taylor has already had his medical with the champions as all parties attempt to complete a bargain.
The Scotland trained together with the national group on Monday afternoon before a breakthrough has been made between the two clubs.
It is known as Celtic defenders Calvin Miller and Jack Hendry will not proceed to Kilmarnock.
League One Bolton had made a enquiry for Hendry but could not find a deal done as a result of time limitations.
Read more: http://nu-lounge.today/joseph-obrien-targets-yarmouth-feature-with-two-runners/