Arne Slot makes a bold substitution as a debutant endures a tough moment in Liverpool’s FA Cup upset.

Arne Slot handed Isaac Mabaya his Liverpool debut in their FA Cup clash against Plymouth Argyle but substituted him just 47 minutes later in a ruthless decision.

The Reds entered the match as strong favorites, aiming to keep their quadruple hopes alive, but suffered a shock defeat. Slot rotated his squad, giving opportunities to fringe players, including Joe Gomez, who started in defense but was forced off with an injury after just 11 minutes. Mabaya replaced him, stepping in at right-back, which led to a tactical reshuffle.

Despite the early opportunity, Mabaya endured a tough debut. After Plymouth took a surprise lead through Ryan Hardie’s penalty, Slot reacted decisively by bringing on Darwin Nunez for the young defender. Nunez joined a frontline featuring Diogo Jota, Luis Diaz, and Federico Chiesa, but Liverpool failed to find an equalizer.

Slot’s lineup featured several young players, including James McConnell and Trey Nyoni, with Mabaya adding to the inexperience. The 20-year-old has been with Liverpool since the age of six, progressing through the academy. Initially a midfielder, he has transitioned into a right-back, a position where the club already has strong options in Trent Alexander-Arnold and Conor Bradley.

Liverpool remain in contention for multiple trophies, leading the Premier League by six points over Arsenal and having secured a place in the Carabao Cup final. They have also been dominant in the Champions League, reaching the last 16 as one of the top-performing teams. However, their FA Cup campaign has now come to an ear

ly end.