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Check out our staff members' picks for the UFC on ESPN 32 main card, featuring Calvin Kattar vs. Giga Chikadze.       Related StoriesUFC on ESPN 32 predictions: Who's picking Calvin Kattar to upset Giga Chikadze? - EnclosureRobert Whittaker picks Jared Cannonier over Derek Brunson: 'He's a tough dude with a very well-rounded skillset'Robert Whittaker picks Jared Cannonier over Derek Brunson: 'He's a tough dude with a very well-rounded skillset' - Enclosure