The WRU ploughed £22.1m into their domestic game after achieving record pre-tax earnings over the last financial year.
Edinburgh have signed Argentina back-row Tomas Leonardi on a three-month contract.
Ospreys star Tom Smith looks set for another lengthy spell on the sidelines after injuring his knee against Edinburgh.
Cardiff Blues back coach Gareth Baber will leave his position with the club at the end of the season.
Dragons hooker Rhys Thomas has been ruled out until next year after suffering an ankle injury.
The French Rugby Federation is set to oppose any moves to form a replacement for the Heineken Cup.
The unbeaten Ospreys scored six tries as they powered to a 44-10 RaboDirect PRO12 victory over Edinburgh in Swansea.
Paddy Jackson starred for Ulster with 13 second-half points helping the visitors beat Irish rivals Connacht 18-7.
Italian side Zebre claimed their first RaboDirect Pro12 win in 25 attempts as they upset Cardiff Blues 30-25 in Wales.
Glasgow retained their unbeaten status in the RaboDirect Pro12 with a 12-6 victory over Leinster at Scotstoun on Friday.
Munster were knocked off the top of the table as they suffered a shock 29-19 defeat away at Benetton Treviso.
Dragons continued their fine start to the Pro12 campaign by securing a 23-16 win in a Welsh derby against the Scarlets.
Edinburgh have confirmed the signing of Southern Kings back-row Cornell du Preez.
Geoff Cross and Aleki Lutui will start their first Edinburgh match of the season against Ospreys at the Liberty Stadium.
Edinburgh stand-off Gregor Hunter could miss the rest of the season after suffering a serious knee injury.
Ospreys have announced the signing of scrum-half Phil Mack as cover for the injured Rhys Webb and Tom Habberfield.
Dan Biggar snatched a 29-29 draw for the Ospreys in Dublin as reigning champions Leinster let a 10-point lead slip.
A last-gasp penalty by Harry Leonard earned Edinburgh a much-needed win over bogey team Newport Gwent Dragons 16-13.
Scrum-half Gareth Davies scored both Scarlets tries as the Welsh region recorded a 26-10 success over Treviso.
A second-half resurgence from Munster ensured a 43-21 victory and denied Zebre their first ever RaboDirect Pro12 win.