WBBL-FM (107.3 FM, "The Ball") is a radio station broadcasting an all-sports format in Grand Rapids, Michigan. WBBL is sometimes received on the east side of the state during certain atmospheric conditions and during the Spring and Summer months, the signal tends to trickle into East Michigan. It first began broadcasting in 1979 under the call sign WPLB-FM. The station is currently owned by Cumulus Media. WBBL-FM is currently Grand Rapids' affiliates of Fox Sports Radio.