Adrian Peterson -- Strong Fan Support During Arrival to Metrodome

Adrian Peterson Strong Fan Support During Metrodome Arrival

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Adrian Peterson arrived to the Metrodome this morning with his game face on -- and fans waiting outside gave AP tons of love for showing up.

Peterson is set to face the Carolina Panthers any moment now -- and judging by the video ... fans inside the arena are gonna go OFF when AP hits the field.

As we previously reported ... Adrian insisted on playing in today's game following the death of his 2-year-old son and earlier today said, "God wants good to come from it."

He added, "We mourn and grieve but heaven had the baddest welcoming party for my son ... That knowledge gives me peace."