Dragons have signed former Wales Under-20s international Will Austin on a short-term deal amid a crisis at hooker for their game against Leinster.
The 21-year-old has been brought in from Sale Sharks for Friday's United Rugby Championship (URC) fixture against champions Leinster because Oli Burrows is their only available hooker.
Brodie Coghlan has been named on the Wales bench for Saturday's Test against South Africa and Elliot Dee, James Benjamin and Sam Scarfe are injured.
Burrows, 23, is in line to make just his second professional start - and first at Rodney Parade - against Leinster with Austin drafted in to be cover on the bench.