Dan Biggar led Ospreys to a 25-13 win over Exeter at the Liberty Stadium as the Chiefs became the first English side to register a defeat in this season's European Champions Cup.
Wales and Ospreys scrum-half Rhys Webb, already ruled out of contention for this year’s World Cup faces an uphill fight to play again at all this season.
Replacement CJ Stander was the hero as Munster stole a 20-18 Guinness PRO12 victory in the final minute to leave Ospreys winless from their opening two matches.
George North scored four tries as Northampton beat the Ospreys in Pool Five while Glasgow held on to beat Montpellier in Pool Four of the European Champions Cup.
Wales and Lions prop Adam Jones announced his decision to move regions from the Ospreys to Cardiff Blues on Tuesday and, today, the big forward has explained his reasons for doing so with an open letter to the Ospreys supporters.
Wales and British and Irish Lion prop Adam Jones has rejected a contract extension from the Ospreys and, instead, signed for regional rivals Cardiff Blues.
Director of Rugby Dean Ryan has named six new players in his starting line-up for Warriors' pre-season clash with Ospreys at Sixways tonight (7.30pm kick-off).
Championship side Bristol, who were runners up in the playoff final to London Welsh, have snapped up the signing of Wales international second row Ian Evans.