The fall from grace of Celtic attacker Scott Sinclair this season is quite remarkable. Despite being the Hoops’ top scorer this season with 18 goals, the reigning Scottish player of the year has been out of form for months.

He was even dropped from the starting line-up for both legs of the Hoops’ Europa League clash with Zenit, and the most recent Old Firm game, which is unimaginable when you think of his form last season.

However, despite his loss of form Brendan Rodgers has never lost faith in the player, and he was rewarded when a fine cross by the Englishman set up Leigh Griffiths’ winning goal in the recent 2-1 win over Hamilton.

It wouldn’t be a shock if that moment of quality persuades Roberts to hand Sinclair a start against Rangers in Sunday’s Scottish Cup semi-final, and if Sinclair turns in the performance he is capable of, he will get the Hoops fans back on side.

Sinclair was excellent against the Gers last season, but it has been a different story this season, where he was guilty of missing an absolute sitter in the goalless draw between the teams at Parkhead in December.

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That miss seemed to sum up much of his recent performances, but the Gers defence will be well aware that if Sinclair gets into his stride he could tear them apart.

Sunday’s match could well be a season-defining game for Sinclair.

In other Celtic news, Moussa Dembele is likely to start the semi-final

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