The Laois minor hurlers will compete in Tier 1 of the new Leinster minor hurling championship in 2018. The championship, which will revert to U-17 next year, will see 11 teams taking part. There will be four teams in Tier 1: Kilkenny, Dublin, Wexford and Laois; four teams in Tier 2: Offaly, Meath, Antrim and…