An Anterior Cruciate Ligament (ACL) injury remains one of the most feared setbacks in sport, often forcing players into long periods of recovery and raising concerns about their ability to return to peak performance.
The ACL, located in the centre of the knee, plays a key role in stabilising the joint during movement, particularly in high-intensity sports such as football.
Injuries to the ACL commonly occur during quick changes in direction, sudden stops or awkward landings, leaving players with pain, swelling and a loss of balance in the knee.
For many athletes, a rupture or tear means surgery followed by months of rehabilitation, with recovery timelines typically ranging from six to nine months, depending on the severity.
ALSO READ: Xavi Simons out for season, World Cup with ACL injury
While medical advances have improved outcomes, the injury still poses challenges, with risks of reinjury and long-term impact on performance continuing to shape how teams manage affected players.
What the ACL does
The ACL is a key structure in the knee, and it connects the thigh bone to the shin bone and helps control movement and stability.
When the ACL is injured, players often feel pain, swelling and instability, and the knee may give way, making it difficult to stand, walk or continue playing.
How ACL injuries occur
ACL injuries are common in football and other high-intensity sports, and it usually happens during quick turns, sudden stops or awkward landings after jumps.
These movements place stress on the knee joint and can lead to partial or complete tears.
Recovery process
A torn ACL often means a long spell away from competition, as most players require surgery followed by rehabilitation.
Recovery time typically takes between six and nine months, depending on the severity of the injury and the player’s response to treatment.
Impact on players
ACL injuries can affect performance even after recovery.
In some cases, players struggle to return to previous levels. There is also a higher chance of reinjury, especially within the first year after returning to action.
Advances in treatment
Surgical techniques and rehabilitation methods have advanced, increasing the chances of players returning to the pitch.
Most players now return to professional football after surgery, although timelines vary.
ACL injuries remain one of the most serious setbacks for athletes.
Despite improvements in treatment, the injury continues to sideline players for long periods and can influence careers.
Managing recovery, fitness and workload remains key to reducing the risk and ensuring a safe return to action.
High-profile footballers with ACL injuries
Xavi Simons – Recently ruled out with an ACL tear, missing the rest of the season and a major international tournament.
James Maddison – Suffered an ACL injury during the season, adding to Tottenham’s injury concerns.
Lisandro MartÃnez – Among several Premier League players to suffer the injury in recent seasons.
Levi Colwill – Young defender sidelined by ACL damage.
Giovanni Leoni – Another recent case highlighting how common the injury has become.
Women’s football cases
Beth Mead – One of several top players to suffer ACL injuries in a short period.
Leah Williamson – Arsenal captain ruled out for a long spell.
Vivianne Miedema – Another major name sidelined by ACL injury.
Jill Baijings – Part of a growing list in the women’s game.
Michelle Agyemang – Young talent affected by the injury.
Other sports
In the NFL, Tom Brady tore his ACL in 2008, missing almost the entire season with the New England Patriots. Adrian Peterson suffered the same injury in 2011 and returned the next season to win MVP, one of the fastest comebacks on record.
Joe Burrow also had a major ACL tear in his rookie season with the Cincinnati Bengals.
In basketball, Derrick Rose is the cautionary tale. His 2012 ACL injury with the Chicago Bulls changed the trajectory of his career after he had become the youngest MVP in NBA history.
Klay Thompson tore his ACL in the 2019 NBA Finals and missed over a year before returning to the Golden State Warriors lineup.
In rugby, Dan Carter, one of the sport’s top fly-halves, suffered multiple knee injuries, including ACL damage, during his career with the All Blacks.
Sam Cane also battled ACL issues, highlighting how common the injury is in high-impact sports.
