Speaking after the match Shaw insisted the pitch couldn't be solely blamed for the poor performance but admitted the surface was certainly a contributing factor.
“No excuses, we lost the game tonight, you can't blame the pitch," he told TNT Sports.
“But for Champions League, these pitches, they shouldn't be possible. It's dangerous. It's hard to turn on. But like I said, it's no excuse.
"It's football, we lost tonight, we have to take it on the chin and we need to focus on the games coming up on the weekend."
He added: "I don't know. It's always hard with 10 men. I think we started well. It's a hard pitch to play on, it's not easy to get used to.
"We got the early goal, comfortable in the game, we didn't feel they were too threatening.
"Then, 10 men, they had more of the ball, more chances. Towards the end we gave everything, we tried to give them as many less chances as possible. But they got the goal, and the last goal, these things happen in football.
"We need to move on. We're disappointed, but there's still a lot more games to go."
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