Ulster v Scarlets:Ireland international Ryan Caldwell is back in the Ulster starting line-up for tomorrow night's Magners League encounter with the Scarlets. Brian McLaughlin has also drafted Robbie Diack into his pack for the match at Ravenhill.

Andrew Trimble will make his second start of the season in place of the injured Simon Danielli with Paddy Wallace captaining the side from the centre.

The Scarlets welcome back Stephen Jones after resting the Lions outhalf thus far this campaign. Former Ireland international Simon Easterby has been afforded a break,

Ulster: Schifcofske; Nagusa, Cave, Wallace, Trimble; Humphreys, Boss; Court, Brady, Botha; O'Donoghue, Caldwell; Ferris, Henry, Diack. Replacements: Kyriacou, Fitzpatrick, McComb, Faloon, Marshall, Whitten, McCrea

Scarlets: Priestland; Lamont, Maule, Davies, Williams; S Jones, Roberts; I Thomas, Rees, R Thomas; Cooper, Reed; D Jones, Edwards, Lyons. Replacements: John, Owens, Welch, Turnbull, Pugh, Evans, Higgitt