Mossens BK was one of 395 clubs from Sweden that had teams playing during Gothia Cup 2013. They participated with one team in Boys 12. In addition to Mossens BK, 164 other teams from 37 different countries played in Boys 12. They were divided into 41 different groups, whereof Mossens BK could be found in Group 22 together with Senlis, U.S.M. 2, Athletic FC and Tölö IF. Mossens BK continued to Play off A after reaching 2:nd place in Group 22. In the playoff they made it to 1/32 Final, but lost it against Enskede IK with 0-11. In the Final, KF Gjakova won over Halmstads BK and became the winner of Play off A in Boys 12. Mossens originates from Göteborg, which is the same city as where Gothia Cup takes place. The area around Göteborg does also provide 62 additional clubs participating during Gothia Cup 2013 (Among others: Balltorps FF, Gerdskens BK, FC Amhult, Kållered SK, Mölndal Fotboll, Hovås-Billdal IF, IK Zenith, Öckerö IF, Qviding FIF and Särö IK).