...Ulster's stand-in skipper Justin Harrison kisses the Celtic League trophy...

David Humphreys kicked a dramatic drop goal as Ulster scored a last-gasp win over the Ospreys to claim the Celtic League title.

CELTIC LEAGUE: Friday, May 26

OSPREYS 17 ULSTER 19, Liberty Stadium (Att: 10,316)

Scorers: Ospreys: Jonny Vaughton, Jason Spice; Cons: Gavin Henson 2; Pen: Henson

Ulster: Try: Matt McCullough; Con: David Humphreys; Pens: Humphreys 3; Drop: Humphreys

TIME LINE: 8 minutes - Ospreys try: Jonny Vaughton - 5-0; conversion: Gavin Henson - 7-0; 12 mins - Ulster penalty: David Humphreys - 7-3; 18 mins - Ulster try: Matt McCullough - 7-8; conversion: David Humphreys - 7-10; 26 mins - Ulster penalty: David Humphreys - 7-13; 35 mins - Ospreys penalty: Gavin Henson - 10-13; Half-time - Ospreys 10 Ulster 13; 62 mins - Ulster penalty: David Humphreys - 10-16; 75 mins - Ospreys try: Jason Spice - 15-16; conversion: Gavin Henson - 17-16; 78 mins - Ulster drop goal: David Humphreys - 17-19; Full-time - Ospreys 17 Ulster 19

OSPREYS: Gavin Henson; Jonny Vaughton, Sonny Parker, Andrew Bishop, Shane Williams; Shaun Connor, Jason Spice; Paul James, Barry Williams (capt), Adam Jones, Alun Wyn Jones, Lyndon Bateman, James Bater, Jonathan Thomas, Lee Beach.

Replacements used: Richard Hibbard for B Williams, Andy Newman for A Wyn Jones (both 50 mins), Andrew Millward for A Jones, Richie Pugh for Bater, Matthew Jones for Connor (all 57), Duncan Jones for James (63), Stefan Terblanche for S Williams (76).

ULSTER: Bryn Cunningham; Tommy Bowe, Andrew Trimble, Paddy Wallace, Andrew Maxwell; David Humphreys, Isaac Boss; Justin Fitzpatrick, Rory Best, Bryan Young, Justin Harrison (capt), Matt McCullough, Neil Best, Stephen Ferris, Roger Wilson.

Replacements used: Kieran Campbell for Boss (49 mins), Neil McMillan for Ferris (63). Not used: Nigel Brady, Rod Moore, Ryan Caldwell, Jonathan Bell, James Topping.

Sin Bin: J Thomas (Ospreys) (62 mins)

Referee: David Changleng (Scotland)