Motherwell 2-2 St Mirren / Slattery's double earns Motherwell point against St Mirren / Motherwell 2 St Mirren 2: Slattery's brace rescues point in thrilling Fir Park clash / Referees label Johnston a 'lucky boy' as Celtic star escapes penalty in St Mirren win / Michael Stewart 'lost for words' over St Mirren vs Celtic penalty drama / Unseen moment Kasper Schmeichel fumes at rival in St Mirren vs Celtic clash / Brendan Rodgers explains early Callum McGregor substitution vs St Mirren / 'It's very clear': Stephen Robinson reacts to St Mirren penalty claim vs Celtic / St Mirren 2 Celtic 5: Yang proves the difference with influential substitute role / Yang double sees leaders Celtic thump St Mirren to move 16 points clear