Why does adding 92 player increase my ovr and add a 93 doesn't

@9ylgdf5981ak  OVR is based: Average of base players (including subs) + average of rank ups (including subs)

So, if one player is ranked and the other isn't, you could be losing the +1 from ranks, but not be gaining +1 from OVR depending on where within the average of each that you are sitting