New RaboDirect PRO12 outfit Zebre have announced their 39-man squad for their debut campaign.
Ulster have completed the signing of New Zealand back row Nick Williams on a two-year contract.
Bristol head coach Liam Middleton has moved to sign Scottish lock George Biagi from Italian side Aironi.
A new Italian outfit called the Zebras will replace Aironi in next season's RaboDirect PRO12 competition.
Saracens have announced the signing of Italian tighthead prop Lorenzo Romano from Aironi.
Wasps have completed the capture of Italy international prop Fabio Staibano from Aironi.
Italian rugby bosses have rejected a bid by Viadana to replace Aironi in the RaboDirect PRO12 next season.
Newcastle have continued their impressive recruitment drive for next season with the signing of Italy lock Carlo del Fava.
The boot of Dan Biggar proved decisive as the Ospreys warmed up for the play-offs with a hard-earned 18-11 win over Aironi.
The Ospreys will look to gain momentum for the Pro12 play-offs when they travel to Aironi on the final day of the regular season.
Matthew Jarvis landed a monster penalty with the last kick of the game to guide Connacht to a smash and grab win over Italian side Aironi.
Connacht welcome back Denis Buckley to their front row for the RaboDirect PRO12 clash with bottom club Aironi.
Scarlets kept their RaboDirect PRO12 championship play-off hopes alive with a battling 26-23 victory over bottom side Aironi.
Scarlets will be confident of boosting their play-off hopes when they take on rock-bottom Aironi in RaboDirect PRO12 action.
Italian club Aironi will not take part in next year's RaboDirect Pro12 after having its participation licence revoked.
Ulster claimed a seventh win in eight games with a 45-7 bonus-point victory over Aironi at Ravenhill.
Ulster have made a number of changes to their line-up for Friday's RaboDirect PRO12 encounter with Aironi.
Glasgow took a big step towards clinching a place in the RaboDirect Pro12 play-offs with a comfortable 29-6 victory over Aironi.
Glasgow will look to take another step towards the RaboDirect PRO12 play-offs when they face Aironi at Firhill on Friday.
Heineken Cup quarter-finalists Munster suffered a shock defeat 17-21 by RaboDirect PRO12 strugglers Aironi on Sunday.