Here are the teams for the weekend’s Pro12 matches, in which they both take on Welsh opposition.
Edinburgh play Cardiff at Myreside tonight, live on BBC Scotland. The capital men have had a big week with the signing of Richard Cockerill, and they have also signed Hawick and Scotland U20 wing/fullback Darcy Graham on a two-year deal until 2019.
Edinburgh: Blair Kinghorn, Damien Hoyland, Glenn Bryce, Chris Dean, Rory Scholes, Jason Tovey, Sam Hidalgo-Clyne; Jack Cosgrove, Neil Cochrane (captain), Murray McCallum, Fraser McKenzie, Ben Toolis, Magnus Bradbury, Jamie Ritchie, Cornell Du Preez
Replacements: George Turner, Derrick Appiah, Kevin Bryce, Grant Gilchrist, Lewis Carmichael, Nathan Fowles, Junior Rasolea, Michael Allen
Not available due to injury: Tom Brown (concussion), Phil Burleigh (hand), Alasdair Dickinson (foot), Viliami Fihaki (hand), Will Helu (hand), Nasi Manu (shoulder), Viliame Mata (knee), Stuart McInally (leg), WP Nel (neck), Alex Northam (Achilles), Rory Sutherland (groin), Kyle Whyte (knee)
Glasgow play the Ospreys in Swansea on Sunday, live on BBC Alba (k.o 1.05pm)
The pen has been active again this week, with tight-head prop D’arcy Rae signing a new contract and loose-head Jamie Bhatti agreeing his first professional contract from next season.
Bhatti is handed his first start and Pat MacArthur is in line to make his 150th appearance for the club, becoming only the eighth player to reach that landmark.
Matt Smith will make his Glasgow Warriors debut against the Ospreys on Sunday, while Ratu Tagive could also feature for the first time off the bench.
Glasgow: 15. Peter Murchie, 14. Junior Bulumakau, 13. Nick Grigg, 12. Peter Horne (capt), 11. Rory Hughes, 10. Brandon Thomson; 9. Grayson Hart, 1. Jamie Bhatti, 2. Corey Flynn, 3. Sila Puafisi, 4. Brian Alainu’uese, 5. Scott Cummings, 6. Rob Harley, 7. Matt Smith, 8. Lewis Wynne
Replacements: 16. Pat MacArthur, 17. Alex Allan, 18. D’arcy Rae, 19. Tjiuee Uanivi, 20. Chris Fusaro, 21. Nemia Kenatale, 22. Richie Vernon, 23. Ratu Tagive
Not available due to injury: Adam Ashe (head), Lee Jones (head), Sam Johnson (ankle), Sean Lamont (leg), James Malcom (ankle), Greg Peterson (shoulder) and Leonardo Sarto (shoulder).
You can discuss the games in here too in the event of match reports being delayed.