Celtic League: Ulster coach Mark McCall has made just one change for tomorrow's clash with Llanelli Scarlets at Stradey Park, Paddy Wallace partnering Andrew Trimble in the centre.
Wallace replaces Jonny Bell, who has recovered from an injury picked up in last week's match against The Borders and is named on the bench.
Replacement scrumhalf Kieran Campbell has also been passed fit after picking up an ankle injury last Friday. Fullback Bryn Cunningham will be winning his 100th cap for Ulster.
Ulster A are also in action tomorrow - they play the Ireland under-21 side at Malone (1pm), where admission is free.
ULSTER: B Cunningham; T Bowe, A Trimble, P Wallace, A Maxwell; D Humphreys, I Boss; B Young, R Best, S Best (capt); J Harrison, M McCullough; N Best, S Ferris, R Wilson. Replacements: N Brady, J Fitzpatrick, R Caldwell, N McMillan, K Campbell, J Bell, T Howe
ULSTER A: M Kettyle; S Young, J Burgess, S Stewart, J Lowe; A Larkin, P Coulter; N Conlon, P Shields, T Court; L Stevenson, M Wilson; C Henry, W Falloon, C McCarey. Replacements: D Fitzpatrick, M Crockett, H Head, AN Other, D Drake, T Horner, M Scott.
SCOTLAND: Head coach Frank Hadden admits he considered "everybody with a Scottish granny" before naming his 25-man squad to tour South Africa next month.
"With 52 players to be chosen (a 28-strong A squad travels to the Churchill Cup in Canada, also in June) there has been a huge amount of selecting going on over the last couple of months," said Hadden. "And trust me, everybody with a Scottish granny was considered for selection."
Donnie Macfadyen, the 27-year-old Glasgow Warriors flanker capped nine times has been included after 15 months on the sidelines with a knee injury.
SCOTLAND SQUAD: Backs: M Blair, M Di Rollo, A Henderson, S Lamont, B MacDougall, D Parks, C Paterson, S Pinder, G Ross, H Southwell, S Webster. Forwards: K Brown, B Douglas, D Hall, N Hines, A Hogg, A Kellock, G Kerr, S Lawson, D Macfadyen, S MacLeod, S Murray, J Petrie, C Smith, J White.