Cummings first played his rugby for Kelvinside Academy but moved on to the BT Premiership side Glasgow Hawks.

[3] This meant he could continue playing for Glasgow Hawks whilst training and challenging for a place at the Warriors.

[6] Cummings graduated from the Scottish Rugby Academy and signed a professional contract with Glasgow Warriors on 23 March 2016.

[10] Cummings received his first call up to the senior Scotland squad by coach Gregor Townsend in October 2017 for the Autumn Internationals.

[11] Cummings received his first full senior cap from the bench for Scotland in the World Cup warm-up match against France on 17 August 2019.