Yes, the players did under perform resulting in their relegation, but I'm pretty sure it was because of bad chemistry or tactics. (justarsenal.com)
Another heated rivalry exists between Luigi and Waluigi, with the two sharing bad chemistry in all the games they appear in together, and acting hostile and rude towards each other, such as Luigi making a gesture at Waluigi to anger him in Mario Tennis, the two scowling at each other in the Mario Party 3 group picture, and Waluigi's vandalism of Luigi's picture in the opening movie of Mario Power Tennis. (mariowiki.com)
Another heated rivalry exists between Luigi and Waluigi, with the two sharing bad chemistry in all the games they appear in together, and acting hostile and rude towards each other, such as Luigi making a gesture at Waluigi to anger him in Mario Tennis, the two scowling at each other in the Mario Party 3 group picture, and Waluigi's vandalism of Luigi's picture in the opening movie of Mario Power Tennis. (mariowiki.com)