Urawa Red Diamonds

Mitsubishi Heavy Industries established a football club in 1950 in Kobe and moved the club to Tokyo in 1958. In 1965 it formed the Japan Soccer League (JSL) along with today's JEF United Chiba, Kashiwa Reysol, Cerezo Osaka, Sanfrecce Hiroshima and three other clubs who have since been relegated to regional leagues ("Original Eight").

Mitsubishi first won the JSL championship in 1969, as a break in Mazda/Sanfrecce's dominance (and also with the fact that Toyo were in Bangkok, Thailand, competing in the Asian Club Cup); their runs up the first division were sporadic but steady until the 1980s when they fell into the Second Division. In 1990 they were promoted as JSL Division 2 champions, and thus were ready when the J-League implementation began in earnest. Urawa Red Diamonds was an original member ("Original Ten") of the J.League in 1993.

Mitsubishi were the first Japanese club to complete a domestic treble, when in 1978 they won the title, the Emperor's Cup and the Japan Soccer League Cup.

The club's name was then changed to ''Mitsubishi Urawa Football Club'' from in April 1992 where their nickname was "Red Diamonds". However, in February 1996, the club's name was changed to "Urawa Red Diamonds".

The club has experienced varying degrees of success since the inception of the J-League. The team finished at the bottom of the league for the first two seasons, with an average attendance of fewer than 15,000. In 1999, they were relegated to the second tier of Japanese football once again., the club's performance has improved in years, beginning with a victory in the 2003 Nabisco Cup.

In 2006, Urawa Reds clinched their first professional league title by defeating runners-up Gamba Osaka 3–2 on December 2 in front of 63,000 supporters. This after two close calls in the previous two years. In 2005, they finished second, just one point behind champions Gamba Osaka. In 2004, they finished third in the first stage and won the second stage and qualified for the two-match J.League Championship decider, they lost on penalty shootout to Yokohama F. Marinos.

Urawa Reds were back to back Emperor's Cup winners in 2005 and 2006. Winning the title for the first time since their establishment as a professional club, they defeated Shimizu S-Pulse 2–1 on 1 January 2006, and retained the title in 2007 with a 1–0 win over Gamba Osaka. This win also completed a league-cup double. In the 2007 tournament they were defeated at the first hurdle by J2 League outfit Ehime FC.

In 2007, despite a seemingly unassailable lead of seven points with four games remaining, Urawa Reds picked up only two points from their final four games. This run included losing at home to Kashima Antlers; the club who would leapfrog Urawa on the final day of the season to claim their fifth J.League title. Following their capitulation in the fourth round of the Emperor's Cup to J2 League outfit Ehime FC, Urawa Reds had to be content with their 2007 AFC Champions League fixtures.

Urawa Reds recorded their first prestigious cup overcoming Iranian club Sepahan 3–1 on aggregate to clinch the 2007 AFC Champions League trophy. The victory made them the first Japanese side to win the cup since the competition was reorganised from the Asian Champions Cup in 2003. In the 2007 FIFA Club World Cup of the same year, Urawa Reds became the first AFC club to finish in third place, beating Tunisian side Étoile Sportive du Sahel on penalty shootout in the third/fourth place play off.

Throughout the 2008 AFC Champions League edition, Urawa Reds attempted to win their second consecutive AFC Champions League title and progressed to the semi-finals where they were defeated by fellow J-League rivals, and eventual Champions League winners, Gamba Osaka 3–1 on aggregate.

On 8 March 2014, a banner which read "JAPANESE ONLY" was hung at one of the entrances to the stands. As punishment for this racist behavior, the league match on 28 March was played behind closed doors.

In the 2017 AFC Champions League edition, Urawa Reds had a good run throughout the entire tournament which saw them face Saudi Arabia club, Al-Hilal in the final which saw Urawa Reds winning the 2017 AFC Champions League final 2–1 on aggregate to clinch their 2nd trophy.

Urawa Reds managed to make their way through all the way until the 2019 AFC Champions League final facing off against Al-Hilal once again. However, the club fell in a 3–0 aggregate loss to the Saudi Arabian club.

During the 2022 AFC Champions League, Urawa Reds had an easier run en route to the final where they faced three Southeast Asian club along the way, Singapore league champions Lion City Sailors in the group stage while they faced Malaysia league champions Johor Darul Ta'zim 5–0 in the Round of 16 and Thailand league champions BG Pathum United 4–0 in the Quarter-finals. Urawa Reds would then face Korea league champions, Jeonbuk Hyundai Motors in the semi-finals which ended up with Urawa Reds advancing to the final after winning the penalty shootout. The club faced their tournament rivals Al-Hilal for the third time in the 2022 AFC Champions League final. Urawa Red won 2–1 on aggregate, clinching their 3rd trophy.

On 19 September 2023, it was announced by JFA that Urawa Reds will not be participating in 2024 edition of Emperor's Cup following supporters clash after 0–3 loss against Nagoya Grampus in the 4th round of 2023 edition.