If you are reading this on The Irish Times app, click here to play.
Know Your Sport: Keane to Kelleher, 1920 and top scorers
Test your knowledge in our weekly 10-question sports quiz compiled by our writers
![Robbie Keane was the last Irish player to play in the Champions League for Liverpool before Caoimhin Kelleher. File photograph: Getty Images](https://www.irishtimes.com/resizer/v2/SBXAWIIMSML2BP6XWIWLLHETN4.jpg?auth=1d001d2e38c10562d565c5f74f0a1790ee2417bb3b17a7798dcdbaf9e3a1453d&smart=true&width=1024&height=575)
If you are reading this on The Irish Times app, click here to play.