Fixation devices used during anterior cruciate ligament (ACL) reconstruction are of numerous designs and materials. Untoward events following the use of these devices are not common. However, if unrecognized, they can lead to serious complications. This article summarizes some of the reported complications with ACL fixation devices. There are complications common to all devices but others are unique to the implant itself or to the material of which it is made. Surgeons must be aware of the potential adverse events that can occur with the particular device being used.