Portugal's Cristiano Ronaldo celebrates scoring their second goal with team mates during the Euro 2020 Qualifier match, Group B between Luxembourg and Portugal at Stade Josy Barthel, Luxembourg City, Luxembourg, November 17, 2019. Ronaldo scored his 99th international goal as the defending champions edged past Luxembourg 2-0 in difficult conditions away from home on Sunday to qualify for Euro 2020. REUTERS/Johanna Geron

Portugal's Cristiano Ronaldo in action with Luxembourg's Maxime Chanot and Aldin Skenderovic during the Euro 2020 Qualifier match, Group B between Luxembourg and Portugal at Stade Josy Barthel, Luxembourg City, Luxembourg, November 17, 2019. Ronaldo scored his 99th international goal as the defending champions edged past Luxembourg 2-0 in difficult conditions away from home on Sunday to qualify for Euro 2020. REUTERS/Johanna Geron

Portugal's Cristiano Ronaldo takes a free kick during the Euro 2020 Qualifier match, Group B between Luxembourg and Portugal at Stade Josy Barthel, Luxembourg City, Luxembourg, November 17, 2019. Ronaldo scored his 99th international goal as the defending champions edged past Luxembourg 2-0 in difficult conditions away from home on Sunday to qualify for Euro 2020. REUTERS/Johanna Geron

Portugal's Cristiano Ronaldo in action with Luxembourg's Maxime Chanot during the Euro 2020 Qualifier match, Group B between Luxembourg and Portugal at Stade Josy Barthel, Luxembourg City, Luxembourg, November 17, 2019. Ronaldo scored his 99th international goal as the defending champions edged past Luxembourg 2-0 in difficult conditions away from home on Sunday to qualify for Euro 2020. REUTERS/Johanna Geron

Portugal's Cristiano Ronaldo scores their second goal during the Euro 2020 Qualifier match, Group B between Luxembourg and Portugal at Stade Josy Barthel, Luxembourg City, Luxembourg, November 17, 2019. Ronaldo scored his 99th international goal as the defending champions edged past Luxembourg 2-0 in difficult conditions away from home on Sunday to qualify for Euro 2020. REUTERS/Johanna Geron

Portugal's Cristiano Ronaldo celebrates scoring their second goal with team mates during the Euro 2020 Qualifier match, Group B between Luxembourg and Portugal at Stade Josy Barthel, Luxembourg City, Luxembourg, November 17, 2019. Ronaldo scored his 99th international goal as the defending champions edged past Luxembourg 2-0 in difficult conditions away from home on Sunday to qualify for Euro 2020. REUTERS/Johanna Geron