Rangers manager Derek McInnes faces a selection dilemma up front ahead of a pivotal Scottish Premiership fixture against an in-form St Mirren side at Ibrox, following an injury to forward Lawrence Shankland.
The blow leaves McInnes searching for solutions to lead his attack, with young striker Kevin Kelsy emerging as one option being considered for a starting role. Whether Kelsy possesses the experience and readiness to spearhead the line in such a significant match remains a point of debate among observers of the Scottish game, as discussed on BBC Radio Scotland's Scottish Football Podcast.
St Mirren arrive at Ibrox on the back of an encouraging run of form that has already made them one of the more talked-about sides in the division this season. Their ability to trouble a Rangers team that is simultaneously trying to build momentum and stake a claim as genuine title contenders will be closely watched. For Rangers, the fixture represents an opportunity to demonstrate consistency at a stage of the season when questions are already being asked about whether they can sustain a title challenge.
Elsewhere in the Premiership, attention also turns to Celtic, who travel to Perth to face St Johnstone with their own selection puzzle to solve. Manager Martin O'Neill must decide on his attacking options in the continued absence of Yang, a decision that has sharpened focus on the growing importance of forward Duran to Celtic's approach play and goal output. How central Duran has become to O'Neill's setup is a topic gaining traction as the Glasgow club look to maintain their position at the top of the table.
St Johnstone, for their part, are enjoying a promising start following their return to the top flight, and striker Josh Fowler has been identified as a player capable of causing problems for the league leaders. The Perth side's early-season performances have been described as encouraging, raising the question of whether they can spring a surprise against a Celtic team that remains the benchmark in Scottish football.
The broader narrative around both fixtures ties into the same theme: as the Premiership season develops, the two Glasgow giants are each contending with squad issues in attack, even as they sit at the forefront of the title conversation. Rangers' response to losing Shankland, and Celtic's management of life without Yang, could prove significant in shaping how the campaign unfolds over the coming weeks.
For Rangers, the immediate concern is finding a system and personnel combination that allows them to remain competitive at home against a St Mirren side full of confidence. Kelsy's readiness, or the alternative options available to McInnes, will be tested in real time at Ibrox. Meanwhile, at McDiarmid Park, Celtic's approach to replacing Yang's contribution, and the extent to which Duran can carry that attacking burden, will be scrutinised as O'Neill's side look to extend their lead at the summit of the Premiership.
Both matches carry weight beyond the three points on offer, offering an early gauge of how well-equipped the division's two traditional powerhouses are to cope with squad disruption while also assessing whether challengers like St Mirren and a resurgent St Johnstone can capitalise on any uncertainty.
Based on reporting from BBC Sport (Scottish Football Podcast, BBC Radio Scotland).