win against Huddersfield Town on 14 January 2017. Two weeks later on 31 January 2017, Wallace scored his second goal of the season, in a 2–2 draw against Bristol City. This was followed by scoring his third goal of the season, in a 1–0 win against Wigan Athletic. Following this, manager Carvalhal praised his performance on regaining his form. As a result, he was awarded the club's Player of the Month for January and March. Wallace set up two goals in the next two matches against Birmingham City and Blackburn Rovers. He added two more goals, coming against Norwich City and Burton Albion between 4 March 2017 and 7 March 2017. After missing two matches due to a knee injury, Wallace returned to the starting line–up and set up two goals in two matches between 4 April 2017 and 8 April 2017 against Rotherham United and Newcastle United. Having determined to help Sheffield Wednesday to reach the Premier League, he helped the club qualify for the Championship play–offs after helping Sheffield Wednesday beat Ipswich Town on 29 April 2017. In the second leg of the Championship play–offs semi–final against Huddersfield Town, however, he suffered an injury and was substituted in the 5th minute, as the club went on to lose 4–3 on penalties following a 1–1 draw. Despite missing a total of five matches throughout the 2016–17 season, Wallace went on to make forty–five appearances and scoring five times in all competitions. At the start of the 2017–18 season, Wallace found himself in and out of the starting line–up, playing in different positions. He made his 100th appearance for Sheffield Wednesday, in a 3–1 win against Nottingham Forest on 9 September 2017. Wallace scored his first goal of the season, which turns out to be the winning goal, in a 2–1 win against Brentford on 12 September 2017. He then scored his second goal of the season, in a 2–1 loss against Middlesbrough on 23 December 2017. However, during a 2–1 loss against Millwall on 20 February 2018, playing in the false nine position, Wallace suffered a knee injury and was substituted in the 79th minute. After the match, it was announced that he would be sidelined for the rest of the 2017–18 season. At the end of the 2017–18 season, Wallace went on to make thirty–one appearances and scoring two times in all competitions. With one game to play