Rochdale manager Keith Hill has added Blackburn attacking midfielder John O'Sullivan to his line-up and he could feature against Port Vale.
The 22-year-old has joined the Spotland club from the Championship side until January 3.
O'Sullivan came through the Blackburn academy and has made five first team appearances as well as spending time on loan with Southport, Accrington Stanley and Barnsley.
O'Sullivan has played for the Republic of Ireland at under-21 level.
Port Vale boss Rob Page is set to have...