White Sox not overthinking their surprising leap to contention: ‘Dumb enough to just go play hard’

TORONTO — A slew of rookies playing out of their minds? A trio of young infield sluggers mashing their way to national prominence? A rotation with some questions on the back end, and a bullpen with even more glaring concerns? It all just might be dumb enough to work for the White Sox. “We joke about being just dumb enough to not know, and just being dumb enough to just go play hard, and let it take care of itself,” veteran outfielder Randal Grichuk told the Sun-Times. He’s one of seven players…