In 2015 , Dominic Calvert-Lewin played a game against Leyton Orient as a substitute in the 66th-minute .
In early April 2015 , he signed a new long-term deal to keep him at Bramall Lane until summer 2018.Calvert-Lewin made his professional début for the senior team on 25 April 2015 , in a 1–1 draw away at Leyton Orient as a 66th-minute substitute .
Dominic Calvert-Lewin