在Django Admin中显示组成员的简单方法？

I have two models:

我有两个型号：

class Division(models.Model):
    DIVISIONS = (
        (u'D1', u'Division1'),
        (u'D2', u'Division2'),
        (u'D3', u'Division3'),
    )
    division = models.CharField(max_length=3, choices=DIVISIONS)
    created = models.DateTimeField(auto_now_add=True)
    modified = models.DateTimeField(auto_now=True)

    def __unicode__(self):
        return self.division


class Player(models.Model):
    name = models.TextField()
    code = models.CharField(max_length=6)
    division = models.ForeignKey(Division)
    created = models.DateTimeField(auto_now_add=True)
    modified = models.DateTimeField(auto_now=True)

    def __unicode__(self):
        return self.name
class Division(m