UW-Green Bay senior forward Sarah Eichler, left, and her sister, freshman guard Hannah Eichler.
In all their years, Hannah Eichler holds only one victory over her older sister, Sarah, in pickup basketball.
It happened when Sarah was about 9 years old and Hannah 6.
The sibling rivalry sparked the sisters' ascent to the University of Wisconsin-Green Bay women's basketball team and typically required the mediation of their father, Gottfried, during competitive games of 21. ...