Muhammad Amirul Hadi bin Zainal is a Malaysian former professional footballer who last plays for Malaysian club Johor Darul Ta'zim II and the Malaysian national team as a central midfielder. Born in Alor Gajah, Malacca but raised in Klang, Selangor, Amirul is the son of former top Selangor player in 1990s, Zainal Nordin.

Johor Darul Ta'zim Football Club II or simply JDT II is a Malaysia football club based in Johor Bahru, Johor. The club currently plays in the MFL Cup, the u-23 development professional football league in Malaysia. Johor Darul Ta'zim II is a feeder club for Johor Darul Ta'zim.