Complex sentence: Given typical 10-cent lines, a middle need only win 1 time in 20 to break even, which is a realistic goal since the middle is always a plausible result since it is based on the actual strength of the teams.
Split into simpler sentences: Given typical 10-cent lines, a middle need only win 1 time in 20 to break even. However, the middle is always a plausible result since it is based on the actual strength of the teams.