Ireland captain Johnny Sexton rued missing out on what would have been a "famous victory" as his side lost 21-16 away to Wales on Sunday after being down a man for more than an hour.
The 35-year-old was one of several players who had been in the last Ireland side to beat Wales in a Six Nations match in Cardiff in 2013.
That looked a long shot of being repeated when flanker Peter O'Mahony wasshown a straight red card by referee Wayne Barnes in the 14th minute.
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However, they led 13-6 at the break and could have had a lineout near the opposition line in added time if Sexton's replacement Billy Burns succeeded with a penalty to the corner.
"It could have been a very famous victory for us," said Sexton at his postmatch press conference.
"To go down to 14 so early, and any time you play Wales in Cardiff it's an incredibly tough game, and to do it with 14 men would have been incredibly special but it wasn't to be. I am very proud of the way we fought back with 14men."
Sexton said Barnes was too lenient on the home side in the dying minutes asthey infringed on several occasions.
"Yeah. You said it," he replied as to whether he felt an opponent shouldhave been sin-binned.
"It's clear for me. (Nick) Tompkins sticking his hand out (deliberate knockon), the hand in the ruck, I don't know what else to say.
"I'm not blaming that, I blame ourselves for the loss but when you show thebravery that we showed, they're tough to take but it's not a surprise really."