Mohd Zaquan Adha Abdul Radzak

On 5 December 2017, Zaquan signed a contract with newly promoted side Kuala Lumpur. He made his debut and scored his first goal for the club in a dramatic 4–3 victory against Kedah FA. He scored his second goal for the club in a dramatic Klang Valley Derby during the 2018 Malaysia FA Cup quarter finals. Despite KL winning 3–0, they eventually lost on penalties (8–7).

On 21 December 2016, Zaquan signed a one-year contract with Malaysia Super League club Perak. He scored his first goal for his new club in a 2–2 draw against Felda United. He then converted a penalty against Selangor FA in a 1–0 victory against the Red Giants.

For 2013 season, Zaquan joined the rebranded club Johor Darul Ta'zim F.C. along with his twin brother.

On 9 November 2013, it was announced that Zaquan was demoted to Johor Darul Ta'zim II in the Malaysia Premier League after one season playing for Johor Darul Ta'zim for the 2013 season.

In December 2011, it was announced that Zaquan signed a contract with Malaysia Premier League side Malaysian Armed Forces football club. He has helped the club won the 2012 Malaysia Premier League title and reached the 2012 Malaysia Cup final before losing to Kelantan 3–2.

His contract with Negeri Sembilan was scheduled to end at the end of the 2008 season. Zaquan along with his twin brother Mohd Aidil Zafuan Abdul Radzak had been recently attracting interest from several Slovakian top league club. He had confirmed that he along with his younger brother would sign a contract with an unnamed Slovak Corgoň Liga side after the 2008 AFF Suzuki Cup. However the speculation denied by them as he along with Aidil remain with Negeri Sembilan.

Zaquan has been called up by Malaysia U23 national coach B. Sathianathan during 2008 Olympic games qualifier fourth group match against Hong Kong after recovered from injury. During the 2007 Merdeka Tournament, Zaquan scored 3 goals and one of them came from the final against Myanmar. Malaysia beat Myanmar 3–1 and took the trophy for the first time since last winning it in 1993. He was then chosen for the 2007 Southeast Asian Games. Malaysia however failed to advanced after a draw against rivals Singapore.

Zaquan made his senior debut against Bahrain in the 2010 FIFA World Cup qualifier. Malaysia lost their first match of the qualifier 4–1 before draw 0–0 at Shah Alam. Zaquan also represent the Malaysia XI (also known as Malaysia B that represent Malaysia for B match) squad against Chelsea at Shah Alam Stadium on 29 July 2008. He was one of Malaysia impressive player on the match. He had the chances to score but was denied by Petr Čech. The Malaysia XI eventually lost 0–2. On 24 March 2018, he was called up again and was named captain for the match against Lebanon in the 2019 AFC Asian Cup qualifiers, where Malaysia lost 2–1. He was again named in the squad and captain for the friendly against Bhutan, where he captained and scored 4 goals in the 7–0 victory, ending Malaysia's 2 years 12 game winless run. Zaquan again chosen as captain for Malaysian team in their AFF Suzuki Cup 2018 campaign by coach Tan Cheng Hoe.

Zaquan started representing Negeri Sembilan since the 2004 SUKMA Games. He with his twin brother helped the team to win gold medal in 2004 SUKMA Games. In 2005–06 season, he along with Aidil promoted into the senior team. In that year Negeri Sembilan also won their first Malaysia Super League title.

Zaquan has been representing Malaysia since he was 14 years old with his twin brother Mohd Aidil Zafuan Abdul Radzak. He was part of the Malaysia youth squad for 2004 AFC Youth Championship. He was then called up by coach K. Rajagopal in the 2006 AFC Youth Championship qualifier against Myanmar. He scored 2 goals in the qualifier to take Malaysia into their second appearance in a row to the 2006 AFC Youth Championship held in India. He however did not make it into the tournament after he received an injury.

Mohamad Zaquan Adha bin Abd. Radzak (born 3 August 1987 in Seremban, Negeri Sembilan) is a Malaysian professional footballer who plays as a forward for Malaysia Super League side Kedah. He is the younger of his twin who also a footballer Aidil Zafuan.