Question: In the Washington Redskins 83rd season Robert Griffin III suffered a concussion and consequently missed the rest of the preseason, what was his nickname?

Context paragraphs:
2015 Washington Redskins season: The Washington Redskins season was the franchise's 83rd season in the National Football League and the second under head coach Jay Gruden and first under general manager Scot McCloughan.  Quarterback Robert Griffin III suffered a concussion during the second preseason game and consequently missed the rest of the preseason.  Kirk Cousins was later named the starter for the season, and set multiple Redskins franchise records.

Robert Griffin III: Robert Lee Griffin III (born February 12, 1990), nicknamed RG3 or RGIII, is an American football quarterback who is currently a free agent.  He played college football at Baylor, where he won the 2011 Heisman Trophy.  He was drafted by the Washington Redskins second overall in the first round of the 2012 NFL Draft.

83rd Street (Avalon Park) station: 83rd Street (Avalon Park) is an electrified commuter rail station along the Metra Electric Main Line in Chicago, Illinois.  The station is located over 83rd Street near Ellis Avenue and is 10.38 mi away from the northern terminus at Millennium Station.  Despite the name of the station, it is actually located in Chatham, not the Avalon Park neighborhood for which it is named; however, it is only a short distance from Avalon Park.  In Metra's zone-based fare system, 83rd Street-Avalon Park Station is in zone C.

2012 Dallas Cowboys season: The Dallas Cowboys season was the franchise's 53rd season National Football League, the fourth playing their home games at Cowboys Stadium and the second full season under head coach Jason Garrett.  The Cowboys matched their win total from 2011, but missed the playoffs for a third consecutive season after losing their final game for the second straight season, this time to the Washington Redskins.

Terry Shea: Terence William Shea (born June 12, 1946) is an American football coach and former player.  Currently, Shea does quarterback consulting work for future NFL draft prospects.  Most recently he worked with Robert Griffin III "RG3" (2nd overall pick 2012), Blaine Gabbert (10th overall pick 2011), Sam Bradford (1st overall pick 2010), Matthew Stafford (1st overall pick 2009), and Josh Freeman (17th overall pick 2009.  whom Shea later brought to the Bolts in 2015).  Shea also trained and developed current college quarterbacks Collin Klein (Kansas State) and Tommy Rees (Notre Dame).

Union Elementary School District: Union School District 62 is a school district in Tolleson, Arizona located in Maricopa County, Arizona.  Union E.S.D encompasses three schools.  Union Elementary School is a Kindergarten to Second grade campus servicing families residing between 83rd Ave and 99th Ave, South of Lower Buckeye Rd.  Hurley Ranch Elementary School is a Third grade to Eight grade campus servicing families residing between 83rd Ave and 99th Ave, South of Lower Buckeye Rd.  Dos Rios Elementary School is a Kindergarten to Eight grade campus servicing families residing between 83rd Ave and 99th Ave, North of Lower Buckeye Rd and South of Buckeye Rd.

Jay Schroeder: Jay Brian Schroeder (born June 28, 1961) is a former professional American football quarterback.  He played college football at UCLA, after which he was selected in the third round (83rd overall) of the 1984 NFL draft by the Washington Redskins where he played for three seasons.  He then played for the Los Angeles Raiders for five seasons, he then spent one season each with the Cincinnati Bengals and Arizona Cardinals.

RG3 (disambiguation): RG3 or Robert Griffin III, American football quarterback.

Joe Bugel: Joseph John Bugel (born March 10, 1940) is an American former football coach and college player who held a variety of coaching positions at the college and professional levels of the sport over his 46-year career.  Although he was twice a head coach in the National Football League (NFL), he is widely acknowledged as one of the great offensive line coaches in NFL history, most notably for the Washington Redskins from 1981 to 1989 and from 2004 to 2009.  He served as offensive line coach or assistant for the Detroit Lions 1975–76, the Houston Oilers 1977–80, Washington Redskins 1981–89, Oakland Raiders 1995–96, San Diego Chargers 1998–2001, and the Redskins again since 2004.  He was also head coach of the Phoenix Cardinals (1990–93) and Oakland Raiders (1997).  As head coach of the Phoenix Cardinals, and the Oakland Raiders, Bugel compiled a record of 24 wins against 56 losses over five full seasons.  He is best known for the creation of "The Hogs"—the nickname he penned for his offensive line unit during the Redskins' 1982 training camp.  Bugel is known by the nickname "Boss Hog".

83rd Street (Metra station): 83rd Street is an electrified commuter rail station along the South Chicago Branch of the Metra Electric Line on the South Side of the city of Chicago.  The station is located on 83rd Street at Exchange Avenue near Russell Square Park, and is 11.97 mi away from the northern terminus, Millennium Station.  In Metra's zone-based fare system, 83rd Street is in zone B.

Supporting paragraphs: 2015 Washington Redskins season Robert Griffin III
Answer: RG3 or RGIII