Reyna was left out of Gladbach’s 1-0 defeat to Stuttgart but, after playing 70 minutes in a recent friendly against Schalke, the 22-year-old hopes to make his competitive debut against Werder Bremen on Sunday.
"Whether I can play from the start is a coach's decision. I felt good after the 70 minutes against Schalke – but a Bundesliga game is obviously something else entirely," he added.