Question: What was the nickname of the footballer whose brain injuries got significant attention in the film League of Denial ?

League of Denial is a 2013 book, initially broadcast as a documentary film, about traumatic brain injury in the National Football League (NFL), particularly concussions and chronic traumatic encephalopathy (CTE).  The documentary, entitled "League of Denial: The NFL's Concussion Crisis", was produced by "Frontline" and broadcast on PBS.  The book was written by ESPN reporters Mark Fainaru-Wada and Steve Fainaru.  The book and film devote significant attention to the story of Mike Webster and his football-related brain injuries, and the pathologist who examined Webster's brain, Bennet Omalu.  The film also looks closely at the efforts of researchers led by Ann McKee at Boston University's Center for the Study of Traumatic Encephalopathy, where the brains of a number of former NFL athletes have been examined. <SEP>  Nicknamed "Iron Mike", Webster anchored the Steelers' offensive line during much of their run of four Super Bowl victories from 1974 to 1979 and is considered by some as the best center in NFL history. Michael Lewis Webster (March 18, 1952September 24, 2002) was an American football player who played as a center in the National Football League from 1974 to 1990 with the Pittsburgh Steelers and Kansas City Chiefs.  He is a member of the Pro Football Hall of Fame, class of 1997. <SEP> Sports injuries are injuries that occur in athletic activities or exercising.  In the United States there are about 30 million teenagers and children alone that participate in some form of organized sport.  About 3 million avid sports competitors 14 years of age and under experience sports injuries annually, which causes some loss of time of participation in the sport.  The leading cause of death involving sports-related injuries, although rare, is brain injuries.  When injured the two main systems affected are the nervous and vascular systems.  The origins in the body where numbness and tingling occurs upon sports injuries are usually the first signs of the body telling you that the body was impacted.  Thus, when an athlete complains of numbness and especially tingling, the key to a diagnosis is to obtain a detailed history of the athlete’s acquired symptom perception, determine the effect the injury had on the body and its processes, and then establish the prime treatment method.  In the process to determine what exactly happened in the body and the standing effects most medical professionals choose a method of technological medical devices to acquire a credible solution to the site of injury.  Prevention helps reduce potential sport injuries.  It is important to establish participation in warm-ups, stretching, and exercises that focus on main muscle groups commonly used in the sport of interest.  Also, creating an injury prevention program as a team, which includes education on rehydration, nutrition, monitoring team members “at risk”, monitoring behavior, skills, and techniques.  Season analysis reviews and preseason screenings are also beneficial reviews for preventing player sport injuries.  One technique used in the process of preseason screening is the functional movement screen.  The functional movement screen can assess movement patterns in athletes in order to find the at risk players.  Following various researches about sport injuries shows that levels of anxiety, stress, and depression are elevated.  A study in 2010 found that athletes with severe sports injuries would display higher levels of post-traumatic distress and the higher the levels of post-traumatic distress are linked with avoidant coping skills. <SEP> The Walter Reed Army Medical Center neglect scandal refers to a series of allegations of unsatisfactory conditions, treatment of patients, and management at the Walter Reed Army Medical Center (WRAMC) in Washington, D.C. culminating in two articles published by "The Washington Post" in February 2007.  Several cases of patient neglect and shoddy living conditions were reported as early as 2004.  "Soldiers suffering from traumatic brain injuries or stress disorders, others with amputated limbs, have languished for weeks and months on end in vermin-infested quarters waiting for a decision on their military status and a ruling on the level of benefits they will receive if they are discharged and transferred to the civilian-run Veterans Administration (VA) healthcare system."  When the scandal broke, soldiers were pressured to keep quiet and punished with daily inspections for speaking to the press.  Significant public and media attention was generated, which in turn prompted a number of congressional and executive actions, including resignations of several high-ranking officers.  CPT Micheal Dake did not implement any changes that rectified the disrepair of Building 18.  The initiatives of the following Command Team lead to Building 18 being repaired and made livable.  It was when the building was left dormat during the summer that mold became a problem.