Now TV offering 17 sports channels (Sky Sports, BT sports, Premier Sports). €40 for 6 months.No minimum contract. Click here to see deal.
I haven't tried this as got an existing NowTV offer but you could also get cashback on anything you pay NowTV if you click through to their site via Topcashback (https://www.topcashback.co.uk/now-tv-ireland/). Sign-up to Topcashback is required.