Liam Scales says 'naive' Celtic need to get street-smart

Liam Scales admits Celtic need to be more streetwise in Europe.

Brendan Rodgers' side have been very competitive with a full quota of players in the Champions League but three red cards in four games have proved costly.

Daizen Maeda's dismissal in Spain on Tuesday led to a 6-0 defeat by Atletico Madrid, which leaves Celtic bottom of Group E with one point and in need of wins over Lazio and Feyenoord and favours from Diego Simeone's team.

Republic of Ireland centre-back Scales, who has not been booked in the Champions League, said of the red cards: "It's probably that we are a young team and maybe a bit naive at times.

"You come and play in Europe and the referees, you get nothing out of them. They are a lot stricter and tackles that you might get away with domestically, they give.

"With VAR, you are going to pick up red cards in the way we've been doing.

"It's frustrating, because I think with 11 players on the pitch we had started the game quite well.

"I know we had conceded earlier before the red card, but I thought we had quite a bit of the ball, and it definitely would have been a more even game with 11 men."

"I think we're at the level, it's just naivety and poor decisions at times have let us down."

Scales also believes they need to learn from the animated reaction of the Atletico bench when Maeda made his tackle and was initially booked, before VAR intervened.

Scales said: "To be honest, you see the way they react and all of their staff are up off the bench. It definitely doesn't help.

"The VAR screen is right beside their bench as well, and he [the referee] was probably feeling the pressure.

"They are definitely more street-smart than us, that's for sure, the way they influence the referee.

"It's not the nicest part of the