_____ became the first person to replace as a concussion substitute in Test cricket while playing against England in 2019 Ashes Series in Lord’s, London ?

1) Marnus Labuschagne
2) Mitchell Swepson
3) Matt Renshaw
4) Michael Neser

Explanation:
Australia’s Marnus Labuschagne born in South Africa became the first person to replace as a concussion substitute in Test cricket. He replaced Steve Smith who suffered a delayed concussion caused by a blow on the back of the neck by England’s Jofra Archer’s bowling during the second match of 2019 Ashes Series in Lord’s, London.