Sammy Hagar said Metallica still owes him $200 for a bet he placed with the thrash icons in 1988. In a recent Instagram post, the former Van Halen singer shared a press photo taken ahead of the Monsters of Rock ’88 tour — which featured Van Halen, Scorpions, Dokken, Metallica and Kingdom Come — and explained the wager he’d placed on Metallica’s future success. “This…… MORE