On June 2, 1959, Orioles pitcher Hoyt Wilhelm, pictured in 1962, was chased from the mound by a cloud of gnats that encircled the mound at Chicago's Comiskey Park.

Hoyt Park received several updates, including a new stone wall on the lower-level plaza of the warming house—and concrete steps on the upper level. Members of the group, Friends of Hoyt Park ...

Less than a month after being claimed off waivers in 1958, veteran relief pitcher Hoyt Wilhelm stepped into a starting role for the Orioles and no-hit the mighty New York Yankees.

Sixty-five years ago, the struggling Orioles bought an aging relief pitcher, on the cheap, to help their porous bullpen. At 36, Hoyt Wilhelm’s best years were thought to be behind him. Moreover ...

I couldn’t pitch through them,” Wilhelm said of the gnats, which caused a 16-minute delay as groundskeepers used smoke bombs, burning rags and, finally, fireworks to disperse the pesky horde.