Joe Kapp, Former Cal and Minnesota Vikings QB, Dies at 85 – NBC Bay Area
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Former Vikings QB Joe Kapp dead at 85 after battle with dementia
Minnesota Vikings - Wikipedia
Joe Kapp dead: Former Vikings QB passes away aged 85, cause of death revealed
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Joe Kapp, Former Cal and Minnesota Vikings QB, Dies at 85 – NBC Bay Area
Former Cal QB Joe Kapp wonders about football's effect on his health