Kang started his baseball career while he was attending to Sungnam High School in the 1990s.
[2] He also hosted Vitamin till 2008 when he resigned after a controversy related to the 2008 Summer Olympics.
[8] In 2020, Kang provoked a controversy when he made a defamatory remark against Yoon Chung-ja, whose son (Min Pyung-ki) was victimised at ROKS Cheonan sinking 10 years ago.
[9] The controversial remark was written on his Twitter on 29 March, 3 days after when Yoon asked Moon to explain about who had occurred the tragedy.
[9] Following the incident, Chung Jin-seok, a United Future MP, condemned Kang for the remark.