[2] Foster made his List A debut for Northern Knights in the 2019 Inter-Provincial Cup in Ireland on 20 August 2019.
[7] He took 14 wickets in 8 matches across the 2023 season as Northern Knights achieved an Irish domestic double winning both the List A and T20 competitions.
[8] In February 2023 he received his first international call-up, included in the Test and ODI squad for the tour of Sri Lanka.
[11] As part of a First-class warm up match he played for Essex against an Ireland XI, going wicketless in 11 overs.
He played two List A and two First-class fixtures against a West Indies Academy side, taking 7 wickets.