Becker and Agassi was a good rivalry too, read that Brooke Shields would heckle Becker at some of their US Open matches. Agassi also said he lost to Chang because he would rather lose to Chang than to Becker who he was due to play next round one year at the US Open. INteresting comments by Agassi, how he'd prefer to lose to certain players as opposed to other players.
"He looked like he was trying to imitate Sampras when I first played him." Agassi in Facing Federer