'It's on me' – Regrets for US captain Zach Johnson in defeat

United States captain Zach Johnson admits he wishes he could start the week over and "do a better job" after losing his grip on the Ryder Cup in Rome.

On paper the 15.5-11.5 defeat reflected better on his team than they had actually played, having gone into the final day with a mountain to climb trailing 10.5-5.5 after being second best for the first three sessions.

Defeat extended America's run without a win on European soil beyond 30 years - it will be 34 by the time they return to Adare Manor in 2027 - and Johnson took full responsibility.

"I would love to start the week over but that's not possible," he said.

"You know, regret is a strong word, but I wish I would have done a better job of that.

"I don't know what it looks like - never will - but it's not a matter of anything other than Team Europe scored more points.

"They played great and they were very impressive. We got outplayed.

"I'm proud of my guys, they fought. It's not them, it's on me. Maybe it's some poor decisions, something to reflect (on). I don't know yet."

In the wake of defeat there were obviously calls for an immediate post-mortem into what went wrong and how things could be improved.

However, Johnson said he was in no state to be able to compute that.

"I don't know where to start. It's too fresh and too raw. I don't have the brainwaves to function right now," he added.

"I'll reflect on this and Team USA will be better off at some point. We will learn. We have motivation and they (players) will learn to.

"We will look at every angle, we will diagnose every little bit of it. I'm not making excuses, Europe outplayed us and they earned it."

Despite having 10 of the world's top 20 in their 12-man team the Americans failed to rise to the occasion until it was too