So Park Moon-sung was a supporter of Lee Jae-myung

"I will be a father to be proud of"... Park Moon-sung declares 'support for Lee Jae-myung'
Korea Economic Daily
"I will be a father to be proud of"... Park Moon-sung declares support for Lee Jae-myung, that familiar voice, football commentator Park Moon-sung declares support for Democratic Party presidential candidate Lee Jae-myung, if you play badly in football you get sent off... you shouldn't show up in the next match but you show up again
The reason he is close with Bae Seong-jae isn't because of football commentary, but because of their political leanings haha

"I will be a father to be proud of"... Park Moon-sung declares 'support for Lee Jae-myung'
Korea Economic Daily
"I will be a father to be proud of"... Park Moon-sung declares support for Lee Jae-myung, that familiar voice, football commentator Park Moon-sung declares support for Democratic Party presidential candidate Lee Jae-myung, if you play badly in football you get sent off... you shouldn't show up in the next match but you show up again