Question: Do You Believe? starred the football player who has what nickname?

Context paragraphs:
Maximiliano Bajter: Maximiliano 'Pipi' Bajter Ugollini (born 1 March 1986 in Montevideo) is a Uruguayan football player currently playing for colombian club Deportivo Pereira.  He is also known as "Pipi", or "Pitón", nickname given to him by his former coach at Peñarol, Julio Ribas, since he consider "Pipi" "was not a proper nickname for a gladiator"

Shipwreck Kelly (American football): John Simms "Shipwreck" Kelly (July 8, 1910August 17, 1986) was a professional American football player who played halfback in the National Football League; he was also an owner and banker, most prominent in New York City in the 1930s and 1940s.  He played five seasons for the New York Giants (1932) and the Brooklyn Dodgers (1933–1937).  Kelly became a player-coach and later a player/coach/owner with the Dodgers football club, the successor to the Dayton Triangles, a charter member of the NFL.  He gained his nickname from Alvin "Shipwreck" Kelly, who was famous for pole-sitting in the 1920s.

Brian Bosworth: Brian Keith Bosworth (born March 9, 1965), nicknamed "The Boz," is a former American professional football player who played as a linebacker for the Seattle Seahawks in the National Football League (NFL).  Bosworth played college football for the University of Oklahoma, and was a two-time consensus All-American.  He gained fame and notoriety through his flamboyant personality, controversial comments about the National Collegiate Athletic Association (NCAA) and radical hair cuts.  Bosworth was less successful in the NFL and injuries forced him to retire after three seasons.

Ndubuisi Okosieme: Ndubuisi Okosieme (born 28 September 1966) is a former Nigerian international football player.  He was a skilful right–winger who played professional club football in Nigeria and Belgium, as well as representing the Nigeria national under-20 football team (Flying Eagles) and the senior Nigeria national football team (Green Eagles) in tournament football at international level.  He was known by the nickname "Garrincha" during his football career.

Karl Brill: Karl Brill was an American football player.  He played at the tackle position for the Harvard Crimson football team in 1904 and 1905 and was selected as a first-team All-American in 1905.  As a sophomore in December 1905, Brill announced that he would not continue playing football.  He said, "I came to Harvard to get a degree as a mining engineer.  For the last two years 'Varsity football has played havoc with my studies.  Already I have been forced to drop work in my freshman and sophomore years.  If I play football again it means that I shall fail to get my degree in four years, and I cannot afford a fifth.  It's either play football and fail to get a degree or abandon the gridiron and get a degree."  In addition to the toll the game had taken on his studies, Bill denounced football on moral grounds, stating that the human body was not mean to withstand the strain that football demands and adding, "I don't believe the game is right.  I dislike it on moral grounds.  It is a mere gladiatorial combat.  It is brutal throughout."

Iglesia Maradoniana: The Iglesia Maradoniana (English: Church of Maradona ; literally "Maradonian Church" ) is a religion, created by fans of the retired Argentine football player Diego Maradona, who they believe to be the best player of all time.

Dave Morey: David Beale Morey (February 25, 1889 – January 4, 1986) was an American football and baseball player, coach of a number of sports, and college athletics administrator.  He was an All-American football player for Dartmouth College in 1912 and a professional baseball pitcher for the Philadelphia Athletics in 1913.  Morey coached football and baseball at the Lowell Technological Institute (1916–1917, 1948–1959), Middlebury College (1921–1924), Auburn University (1925–1927), Fordham University (1928), and Bates College (1929–1939).  After leading small colleges to ties against college football powers Harvard and Yale, Morey was given the nickname, "David the Giant Killer" by Grantland Rice.

Alemão (footballer, born 1961): Ricardo Rogério de Brito, better known by his nickname Alemão (born 22 November 1961), is a former Brazilian football player who played as a defensive midfielder.  He was born in Lavras, Minas Gerais.  His nickname means "German" in the Portuguese language.  A tenacious and physical player, Alemão was a strong, consistenty and versatile midfielder, who excelled as a defensive midfielder due to his tactical intelligence and his ability to read the game.

Billy Sims: Billy Ray Sims (born September 18, 1955) is a former American college and professional football player who was a running back in the National Football League (NFL) for five seasons during the 1980s.  Sims played college football for the University of Oklahoma, where he was a two-time consensus All-American, and won the Heisman Trophy in 1978.  He was the first overall pick in the 1980 NFL Draft, and played professionally for the NFL's Detroit Lions.  Sims was the last Oklahoma player taken Number 1 overall in the NFL Draft until quarterback Sam Bradford was taken first in the 2010 NFL Draft.  He was given the nickname "Kung Fu Billy Sims" by ESPN's Chris Berman, after a game where the Detroit Lions played the Houston Oilers.  In the NFL Films highlight, rather than be tackled during a rushing attempt, Sims ran at, jumped, and, while fully airborne, kicked Oilers Cornerback Steve Brown in the head.

Do You Believe? (film): Do You Believe?  is a 2015 Christian ensemble drama film directed by Jon Gunn and stars an ensemble cast featuring Ted McGinley, Mira Sorvino, Andrea Logan White, Lee Majors, Alexa PenaVega, Sean Astin, Madison Pettis, Cybill Shepherd, and Brian Bosworth.  It was released on March 20, 2015.

Supporting paragraphs: Do You Believe? (film) Brian Bosworth
Answer: The Boz