Brendan Rodgers has eased concerns over an injury scare for Kieran Tierney.
The Celtic left-back was withdrawn in the second half of the win over St Mirren, prompting worries of an injury issue.
Tierney appeared to be clutching his leg as he left the pitch but Rodgers has revealed it was simply cramp. Tierney was replaced by Auston Trusty as Liam Scales moved to left back.
On BBC Sportound, Rodgers said: "He's fine, he is still gaining his fitness, Kieran.
"He hasn't played a lot of football in the last few years so we have to manage him in the games.
"I thought he was excellent."
In his post-match interview with the media, Rodgers added of the substitution: "A wee bit of cramp."
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"It is a tough game and an emotional day - flag day - and I thought it was an excellent win," Rodgers added.
"We had a number of opportunities to score and we were unfortunate.
"They are a very well organised team. We just had to stay persistent and we were able to do that.
"Naturally, we wanted more goals, but I think we played their system very well.
"Stephen's teams are so well-organised and they're strong and make it difficult for you.
"But I think the goalkeeper has maybe kept the scoreline down and, whilst we didn't score, we didn't get disappointed and played some fantastic football."
