Following an injury suffered in a soccer match, a 32-year-ol…

Following an injury suffered in a soccer match, a 32-year-old female is examined in a seated position in the clinic. As the clinician holds the right tibia with both hands and pulls the tibial forward under the distal part of the femur, there is gapping at the joint where the tibia is excessively translated anteriorly. The left tibia cannot be displaced in this way. Which structure is most likely damaged in the right knee?