The Red Devils celebrated a victory over the rivals in the FA Cup fourth round on Saturday evening.
Casemiro opened the score in the 50th minute of the clash to give his side the lead. Four minutes later, he scored the second goal, while Fred netted the third goal in the 66th minute of the meeting.
United advanced to the next round of the domestic competition, and Casemiro took to Twitter to share his excitement. He wrote: “We keep going!”