Question: How many seasons was Tinker Owens' brother in the NFL?

Context articles: John Tinker (TV producer)
Tinker Owens
List of pre-NHL seasons
Anders Carlsson
Steve Owens (American football)
Bobby Hauck
Fred Campbell (basketball)
Adam Zejer
Tinker Bell (film series)
Mark Tinker

John Tinker (born July 11, 1958) is an American television producer and writer.
 Tinker is the co-creator of the CBS drama "Judging Amy", and has been an executive producer and writer on American television shows such as the CBS drama "Chicago Hope", the ABC drama "The Practice", and the NBC drama "The Book of Daniel".
 Prior, Tinker won the 1986 Emmy for Outstanding Writing in a Drama series for the script "Time Heals", which he co-wrote with Tom Fontana and John Masius.
 He is the son of Grant Tinker and the brother of Mark Tinker.
 John graduated Middlebury College in 1981.
Charles Wayne "Tinker" Owens is a former professional American football player who played wide receiver for four seasons for the New Orleans Saints (1976, 1978–1980) in the National Football League.
 The younger brother of Heisman Trophy winner Steve Owens, Tinker was a two-time All-American (1974, 1975) during his college career at Oklahoma.
Prior to the first season of the National Hockey League (NHL), which commenced on December 19, 1917, there had been many seasons of ice hockey played by various amateur and professional leagues, often held contemporaneously, going back to the 1880s, to which the NHL can trace its roots.
 Below is a list of pre-NHL seasons by ice hockey leagues that are precursors of the National Hockey League.
Anders "Masken" Carlsson (born 25 November 1960 in Gävle, Sweden) is a Swedish retired ice hockey center who played parts of three seasons with the New Jersey Devils in the National Hockey League and many seasons in the Elitserien for Brynäs IF, Södertälje SK, VIK Västerås HK and Leksands IF.
 In addition to playing in the 1987 Canada Cup, he represented Sweden six times at the World Championships, winning gold medals in 1987 and 1991, and silver medals in 1986, 1990 and 1997.
 He is currently an amateur scout for the Colorado Avalanche He is currently General Manager of SHL-team Rögle BK.
Loren Everett "Steve" Owens (born December 9, 1947) is a former football player, a running back in the National Football League (NFL) for five seasons in the early 1970s.
Robert Lawrence Hauck (born June 14, 1964) is a college football coach, currently the special teams coordinator for the San Diego State football team.
 He most recently was the head coach at UNLV Rebels.
 Hauck was previously the head coach at Montana, where he led the Grizzlies to seven conference titles and postseason berths in as many seasons, including three national championship game appearances.
 In 2013, following three losing seasons at UNLV, Hauck led the Rebels to their first winning season since 2000.
Fred Gaines Campbell (August 8, 1920 – December 3, 2008) was an American professional basketball player and coach as well as minor league baseball player.
 He played in the National Basketball League for the Detroit Gems and Detroit Vagabond Kings.
 While playing for the Gems he served as the head coach during the second half of the season after coach Joel Mason resigned.
 In many seasons with the Vagabond Kings, except for the only one in which the franchise played in the NBL (the rest of the years they were independent), Campbell also served as a player-coach.
 In two seasons as an NBL player, Campbell averaged 5.8 points per game.
Zejer spent two seasons in the Turkish Super Lig with Beşiktaş J.K. and Gaziantepspor and many seasons in the Ekstraklasa with Zagłębie Lubin and Stomil Olsztyn.
Tinker Bell is a computer animated fantasy film series produced by DisneyToon Studios as part of the "Disney Fairies" franchise.
 Voices of Mae Whitman, Raven-Symoné, Lucy Liu, America Ferrera, Kristin Chenoweth and Pamela Adlon are featured in the films.
 Each of the first four films is set around one of the four seasons: "Tinker Bell" around Spring, "Tinker Bell and the Lost Treasure" around Autumn, "Tinker Bell and the Great Fairy Rescue" around Summer, and "Secret of the Wings" around Winter.
 A fifth title, "Pixie Hollow Games", was supposed to be based on all four seasons, but it was released before "Secret of the Wings" and scaled down.
 A fifth film, titled "The Pirate Fairy", was released April 1, 2014, followed by the release of a sixth film "Tinker Bell and the Legend of the NeverBeast" on March 3, 2015.
 The series is a spin-off of and prequel to "Peter Pan" and its sequel, "Return to Never Land".
Tinker was born in Stamford, Connecticut, the son of Ruth Prince (née Byerly) (1927–2004) and former NBC chairman Grant Tinker (1926–2016), and the brother of John Tinker, with whom he worked on "St. Elsewhere".
 His stepmother was Mary Tyler Moore, who was married to Grant Tinker from 1962 until 1981.