Dragons stunned Ospreys 23-21 in the United Rugby Championship thanks to a dramatic converted try by replacement prop Luke Yendle.
Johnny McNicholl scored two tries in the final quarter to earn a 22-19 victory for the Scarlets over the Ospreys in a hard-fought Welsh derby played behind closed doors in Llanelli.
Ospreys maintained their interest in the Guinness PRO14 Rainbow Cup competition with a bonus-point 42-26 win over Dragons in an entertaining game at Rodney Parade.
Josh Thomas’ late charge-down try guided Ospreys to a sensational 24-19 comeback win over Guinness PRO14 giants Leinster at the RDS.
Sharpshooter Ross Thompson fired 15 points to keep Glasgow’s Champions Cup hopes alive as they edged out Ospreys 30-25 at Scotstoun.
Leinster maintained their unbeaten start to the season with a 21-13 victory over Ospreys at the Gnoll in Neath.
The Irish province, who had come back from 23-10 down, had a chance to win the match at the death, but Bill Johnson’s 83rd-minute drop goal attempt was charged down.
Ospreys forwards coach Carl Hogg admitted it had been another difficult day for the Welsh region who had just two early penalty goals from fly-half Luke Price to show in their loss to Munster.