Master P's next game hits close to home -- literally -- 'cause his New Orleans Privateers take on his son Mercy Miller's Houston Cougars ... and the No Limit icon already warned his squad how "dangerous" his kid is on the court!!
TMZ Sports caught up with UNO's president of basketball operations at LAX this week ... right before his college basketball squad takes on Houston, the 7th-ranked team in the nation, on Saturday.
It's a father vs.