Why are certain common cards so hard to acquire?

[NoahNiko18_PSN]

I'm looking to complete my live series collection, I'm have everybody but one, a player from the angels, and it's not Trout it's a common card Packy Naughton smh lol how are common cards so hard to pick up lol

[ArmyND_PSN]

New card from the recent roster update. Less being in circulation and high demand cause this.

[NotYaAverageCat_XBL]

I need the same card.... its ridiculous.

[abbyspapa_PSN]

This is why I sit on opening regular packs until a roster update so I can make 2k off selling common(s). Big money maker

[Bryanssmurf_PSN]

@noahniko18_psn said in Why are certain common cards so hard to acquire?:

I picked it up from buying a box