Joe Thomson has offered his Larne teammates a word of caution ahead of tonight's Irish Cup semi-final against Ballymena United.
The Scottish midfielder was part of the Derry City side which almost came unstuck against First Division Treaty United in the last four of the FAI Cup last October.
The Candystripes raced into a 2-0 lead at the Brandywell before their Limerick opponents set the nerves jangling as they reduced the arrears with a penalty on the half hour.
