In addition to Mullsjö AIS, 60 other teams from 6 different countries played in Boys 13. They were divided into 12 different groups, whereof Mullsjö AIS could be found in Group 5 together with IBK Lund Grön, Pixbo Wallenstam IBF 3, Varla IBK Lila and Tatran Stresovice. Mullsjö AIS continued to Playoff B after reaching 4:th place in Group 5. In the playoff they made it to 1/16 Final, but lost it against Gnosjö IBK with 5-7. In the Final, Prague Tigers won over Onyx IBS and became the winner of Playoff B in Boys 13. Mullsjö AIS also participated in Boys 12 during Gothia Innebandy Cup 2017. They reached the 1/8 Final in B12 Playoff B, but lost it against Munka-Ljungby IBK Akademi with 2-6.