Alexander Buttner is determined to feature in the Champions League regularly for Manchester United this season.
The defender started the Red Devils' Group H clash against Sporting Braga at Old Trafford on Tuesday in place of Patrice Evra at left-back.
"[Champions League] is a higher level," he said. "It was my first game and I want to play high-level football.
"Patrice is also good. If he plays, it's okay. I watch him and how he plays, and I learn from that.
"On the training ground, we speak to each other a lot. We play in the same position, we both are left-backs."
United won 3-2 against Braga to remain top of their group with three wins from three matches.
