Scotland cap Lee Jones and Glasgow Warrior Byron McGuigan may have the chance to return to a Scotland 7s jersey next weekend at the eighth leg of the HSBC Sevens World Series at Scotstoun Stadium.Head coach Stephen Gemmell, has named a 14-man extended squad for the Emirates Airline Glasgow 7s, which begins a week tomorrow on Saturday 4 April.Jones and McGuigan bring with them previous experience on the World Series with ten and five caps respectively. Jones was also part of the Scotland Commonwealth Games squad in Delhi in 2010.Also, in with a chance of winning his first Scotland 7s cap is Scotland 7s elite development player and Jed-Forest winger, Lewis Young.Gemmell, said: “The Glasgow leg of the World Series is obviously an extremely important tournament for us and with this squad I have brought in experience and rewarded the players who have trained well.”I’m confident of the talent this group of players has and I believe they can do the job that we’re setting out to do.”I’m also pleased to be able to include Lewis Young, he has come forward in training and now has a chance to compete for his first cap on the circuit.”Having a home tournament allows us to continue our preparations with seven on seven scenarios, up until the middle of next week. This means I can keep the competitiveness in the group going as late as possible and make a final decision based on current form and training performances. I know the 12 who will be selected, will deserve to play in Glasgow.”Finally, being on home soil is massive for us, having a big home support behind you makes a huge difference and our responsibility is to make sure we deliver them a great performance.”The remainder of the team will be made up of Scotland 7s professionals and elite development players and will be captained by Colin Gregor. Gemmell will announce the 12 players to compete in Glasgow no later than next Wednesday (1 May).The team will play Portugal (1.04pm), England (4.10pm) and New Zealand (7.21pm) on day one of the Emirates Airline Glasgow 7s, with their day two fixtures determined by these results.8 days to Glasgow 7sScotland 7s extended squad for the Emirates Airline Glasgow 7s at Scotstoun Stadium on Saturday 4 and Sunday 5 May: Chris Dean (Scotland 7s EDP), Struan Dewar (Scotland 7s), Michael Fedo (Scotland 7s), James Fleming (Scotland 7s), Alex Glashan (Scotland 7s EDP), Colin Gregor (captain) (Scotland 7s), John Houston (Scotland 7s), Lee Jones (Edinburgh Rugby), Michael Maltman (Scotland 7s), Byron McGuigan (Glasgow Warriors), Scott Riddell (Scotland 7s), Colin Shaw (Scotland 7s), Andrew Turnbull (Scotland 7s) and Lewis Young (Scotland 7s EDP).Not considered due to injury: Neil Herron (knee), James Johnstone (abdominal), Mark Robetson (abdominal), Russell Weir (knee) and Gregor Young (shoulder).