‘Broccoli Guy’ explains his unique moves, why he traveled from Seattle to visit Oakland Coliseum

OAKLAND — For roughly three hours on Saturday afternoon at the Oakland Coliseum, Jim Stewart Allen stood by his lonesome halfway up Section 234 and intermittently engaged in a tantalizing practice that has seldom been performed outside the bounds of the Pacific Northwest.

He danced with broccoli. While wearing a broccoli-patterned button-down. While rocking the “broccoli” haircut. Before the A’s could depart Oakland, Allen, more affectionately known in the Seattle area as “Broccoli Guy,”...