Worcester have completed the signing of Argentina international back-row forward Leonardo Senatore from Top 14 giants Toulon from next season.
The 28-year-old can play at either flank or eight.
"He has been on our radar for the last few years and he has been in fantastic form," said head coach Richard Hill.
In a busy day at the English club, full-back Chris Pennell also secured a new deal at Sixways.
"His attitude and work ethic is superb - he's really developed himself as a player," said Hill.
"He has the full confidence of the team around him, is fantastic under the high ball, a good defender and a strong runner.
"Chris has all the qualities to get even better and this is a very important re-signing for us."