BOROUGHMUIR v DUNDEE HSFP (noon)
Venue: Meggetland. Key clash: Sean Crombie v Simon Forrest.
In a re-run of the 2005 Scottish Cup final, former professional Sean Crombie makes a welcome return to the Boroughmuir side for this last eight clash.
Harry Leonard is on Scotland Under-20 duty and club international Alan Brown returns to the Taysiders front-row after a neck injury. The match is doubling up as a Premier A clash.
Boroughmuir: H Jones; J Webster, M Clapperton, S Wilson, R Neil; A Warnock, S Johnson; J Duley, S Crombie, J Latta, T McColl, D O'Riordan, A Rose, J Doubleday, N Rodger. Subs: G Jones, N Fraser, G Scott, J Swanson, D Reekie..
Dundee HSFP: J Urquhart; M Brown, H Duthie, S Barlow, A Hay; R McKenna, A Dymock; N Dymock, S Forrest, A Brown, A Linton, R Hawkins, C Cumming, D Levison, R Cessford. Subs: D Russell, S Cessford, R McIvor, R Milne, S Coleman..
HAWICK v CURRIE (noon)
Venue: Goldenacre. Key clash: Bruce McNeil v Jamie Doubleday.
The most attractive tie of the round sees Bob McKillop take charge of his last home game as coach of Heriot's. His side looks strong, but is still missing Richard Mill from the backs.
Melrose, who have lost the last two Scottish Cup finals, have all their club internationals back and Joe Helps continues at 12.
HERIOT'S v MELROSE (2pm, Sunday)
Venue: Mansfield Park. Key clash: Jamie Syme v Ross Miller
Talismanic figure Graham Hogg returns to the Hawick line-up on the left wing as the 1996 and 2002 Scottish Cup winners look to take another step towards a Murrayfield final in this Mansfield Park encounter.
James Johnstone and Finlay Gillies are away on Scotland Sevens duty for an otherwise full-strength Currie side.
Hawick: S Anderson; G Anderson, R Hutton, G Johnstone, G Anderson; G Hogg, G Cottrell; R Sutherland, L Gibson, S Linton, K Willison, M Robertson, D Lowrie, B McNeil, N MacTaggart. Subs: C Robertson, N Douglas, G Lowrie, R Hogg, M Landels
Currie: J Smith; T Brown, H Abercrombie, A MacMahon, D Fife; M Scott, R Snedden; J Cox, A Walker, A Hamilton, R Wilson, A Adam, M Cairns, R Weston, M Entwhistle. Subs: S Simonsen, R Merrilees, G Temple, S Burton, A Binikos
Heriot's: C Goudie; G Bryce, M Learmonth, J Kohn, M Nimmo; C Ferguson, G Wilson; A Dymock, S Burnett, G Cameron, M Reid, CJ Osazuwa, J Hill, J Syme, L Seydak. Subs: K Bryce, JP Ward, P Eccles, M Goldie, G Walker
Melrose: F Thomson; C Anderson, J Murray, J Helps, A Dodds; S Wight, R Chrystie, N Beavon, W Mitchell, G Holborn, G Elder, H Mitchell, J Dalziel, R Miller, G Runciman. Subs: G Innes, N Little, R Ovens, S McCormick, C Murray