[fullmetal]

I guess the implication is that there are stretches of time when LMA is not on the floor and Lopez is...and that's when the -15 happens.  If Lopez plays a lot more minutes than LMA and manages to play all of LMA's minutes as well, then you're talking about an effective -32 from minutes when LMA is not on the floor with Lopez :p  That is an impressive kind of terrible...

[fullmetal]

I guess the implication is that there are stretches of time when LMA is not on the floor and Lopez is...and that's when the -15 happens.  If Lopez plays a lot more minutes than LMA and manages to play all of LMA's minutes as well, then you're talking about an effective -32 from minutes when LMA is not on the floor with Lopez :p  That is an impressive kind of terrible...