Watch all the highlights of this weekend's Guinness PRO12 action.
Treviso recorded their first win of the season as they beat Zebre 26-16 in the Italian PRO12 derby in Parma.
Ospreys had to fight hard to record a 17-15 win over Scarlets and return to the top of the PRO12 table.
Despite Ospreys' 17-15 win over the Scarlets, fly-half Dan Biggar apologised for his team's poor performance.
Glasgow beat Scottish rivals Edinburgh 16-6 in the first leg of the 1872 Cup.
Glasgow skipper Alastair Kellock was proud of his side's defensive efforts after their 16-6 win against Edinburgh.
Munster won their Boxing Day PRO12 derby with Leinster 28-13, scoring three tries to go with 13 points from the boot of Ian Keatley.
Ospreys coach brings in Dan Lydiate for his debut start in the only change to the starting line-up.
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