San Francisco 49ers tight end George Kittle's juggling one-handed catch goes for a 30-yard gain after quarterback Brock Purdy rolls out and lofts one across the field to him. Kansas City Chiefs ...

David Calvo can solve a Rubik's Cube in under a minute. The twist? He does it with one hand and while juggling. Follow him on Twitter and Instagram. Story and editing by Jeremy Dreyfuss More from ...