text: Both players join the League Two side until the end of the season.
  Nelson, 19, is yet to make a senior appearance for the Black Cats but has played two under-21 games in the EFL Trophy this season.
  Northern Ireland Under-21 international Rooney, 20, has played just three times this season but scored twice against the Pools on his Argyle debut in May.
  He was on the bench for Plymouth's 2-1 defeat at Yeovil on Tuesday night, with the club saying his move to the north-east went through just 17 seconds before the transfer window shut.
  Find all the latest football transfers on our dedicated page or visit our Premier League tracker here.
target: Hartlepool have signed strikers Andrew Nelson and Louis Rooney on loan from Sunderland and Plymouth respectively.