1: Pound Falcon end into football field (5)
2: Loathing for leader leaving platform (5)
3: Mild expletive for a sea-faring people? (9)
5: Looks like an eyesore, sounds like an eyesore (3)
9: The Irish are working for small clubs (5)
10: Arenas almost filling with the hooter (5)
11: The end, you say? On the contrary! (3)
12: Neil lost a letter and ended up with nothing (3)