on november 26, 2016, guerrero signed with the chunichi dragons of nippon professional baseball. guerrero broke a chunichi record for most consecutive games with a homerun after he cleared the fence against the rakuten eagles on 3 june 2017. he however fell short of equalling the npb record of 7 consecutive games with a homerun set by randy bass and sadaharu oh as he failed to register a hit in the final match of the series against the eagles on 4 june. guerrero was selected for the 2017 central league all-star team by choice of the manager. the dragons released guerrero on december 2.