Martin O'Neill has called on his Celtic players to use the pain of defeat to Rangers as motivation.
The Celtic manager believes setbacks should "hurt a lot" as his side aims to bounce back, both in Europe and domestically.
Martin O'Neill has called on his Celtic players to use the pain of defeat to Rangers as motivation.
The Celtic manager believes setbacks should "hurt a lot" as his side aims to bounce back, both in Europe and domestically.