can you replace upper ball joints witout replaceing the control arm on 2001 Ford Ranger

i orderd upper ball joints and thats what i recieved but the videos i keep watching they are saying that the control arm and the ball joints are all peace .

1 answer 1 comment
Yea but you need to press them out. I found you a video http://youtu.be/tibb29rKxXc
so you can use the same press to get the upper ball joints out