Simplify the following text for a Grade 6 native English-speaking person.
Original: During his career with the NBA 's Milwaukee Bucks and Los Angeles Lakers from 1969 to 1989 , Abdul-Jabbar scored more points than any other player in league history , won six NBA championships and a record six regular season MVP Awards .
Simplified: He won three more MVP awards with them , as well as five championships . Abdul-Jabbar played in the NBA until 1989 .