I played a game where both FUTTIES, Felix and Kondogbia, each scored a goal in a rivals match, and I didn't earn the Rare Players Pack.
Since it doesn't specify whether to play in Rivals, and just says "Match", I played another match in Squad Battles mode to give it another try. During this game I scored with Felix with an assist by Kondogbia, thinking that was the task, and didn't work either.
I quote: "Score a Goal with Both FUTTIES Kondogbia and Felix in a match". So far both variations have not worked in earning the Rare Players Pack.
Am doing something wrong? Am I missing something specific in the instructions?