After leaving Celtic, Irvine signed for Scottish First Division side Saint Johnstone.

Entity and relation annotations:
id: 0
type: entity
value: text: Celtic
labels: <Organization>
id: 1
type: entity
value: text: Irvine
labels: <Person>
id: 2
type: entity
value: text: Scottish First Division side Saint Johnstone
labels: <Organization>
type: relation
to_id: 0
labels: Person:leaves:Organization
from_id: 1
type: relation
to_id: 2
labels: Person:affiliated_with:Organization
from_id: 1