Originally Posted by Hoosier Red
You're essentially correct. The magic number assumes that its combined Reds wins with the team behind us losses.
The magin number (vs. Cardinals) is 123
(vs. Cubs) is 118
(vs. Pirates) is 118
(vs. Brewers) is 116
(vs. Astros) is 115
To be safe the Reds should just win another 123 games. That would give the Reds 146 wins, which would probably be sufficient.