The striker - who had been doing his injury rehab at Kenilworth Road - came off the bench and pulled a goal back for the Mariners against Doncaster Rovers. He received the ball on the left-side of the penalty area, chopped past a sliding defender and finished calmly past Jonathan Mitchell.
McAtee played just over half-an-hour, adding to the minutes he recently played for the Development Squad earlier this month, with a home game against second-place Stevenage up next.
Aribim Pepple wasn't in the matchday squad and elsewhere in League Two, Josh Neufville's Sutton United went head-to-head with Dion Pereira and Bradford, and the latter prevailed. Neufville started the game and played 80 minutes, whilst Pereira was a second-half substitute for the Bantams
Carlos Mendes Gomes was involved in a four-goal thriller against Bristol Rovers. Fleetwood took the lead early in the first half through Shaun Rooney but the home side responded in the second period with goals from Josh Coburn and Aaron Collins. But in the 99th minute, Rooney secured a brace and a valuable point in dramatic fashion.
Admiral Muskwe remains sidelined with injury and Elliot Thorpe wasn't in Burton Albion's matchday squad for their 3-3 draw against Charlton Athletic.
Youngster Tobias Braney made a goalscoring start for Chesham United as they won 2-0 at Aylesbury United in the Berks & Bucks FA Senior Cup first round tie.