The Arizona Fall League Home Run Derby is getting a revamp in its fourth annual event -- complete with a brand-new format and a new group of prospects set to swing for the fences.

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This year's event, set for 8:30 p.m. ET on Saturday at Sloan Park as part of Fall Stars Weekend, features at least one player from each of the six AFL teams, as well as two wild cards. The eight total participants will each have a 90-second preliminary round where any home run hit over 425 feet will count double. All points (regular homers are one point) will carry over into the first round -- and that's where things really get interesting.

For the first round, the eight participants will be split into four teams of two players each, with each two-person team competing in two

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