Giants quarterback Phil Simms gets tackled by 49ers defensive ends Jeff Stover (No. 72) and Dwaine Board during the 1984 NFC Divisional Playoff game at Candlestick Park. The 49ers won 21-10. The two teams will face off on Sunday for a Super Bowl berth. (George Rose/Getty Images)

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Move over Kiana’s Flex Appeal, this is Phil Simms looking very spry in a 1987 jazzercistastic workout video. Who knew running on the spot could be this intense and enjoyable.