Nkunku's double against Atalanta in the second leg of the quarter-final not only secured Leipzig a place in the semi-finals, but also pushed them past the 30-goal mark in all competitions this season. The 24-year-old is on fire, with 17 Bundesliga goals that earned him his first cap for France and the Player of the Month award in March.
He will likely lead Leipzig's attack alongside André Silva, who has scored 16 goals this season, with Dani Olmo supporting from a deeper position. As well as midfielder Kevin Kampl, defenders Willi Orban and Mohamed Simakan are suspended
Rangers have already faced German opponents in this year's competition, beating Borussia Dortmund 6-4 on aggregate to reach the round of 16.
Manager Giovanni van Bronckhorst will have to do without striker Kemar Roofe, who injured his knee in Scotland's recent FA Cup semi-final win over Celtic.