sentence: However, if a batter is judged to have reached base solely because of a fielder's mistake, it is scored as a "hit on error," and treated the same as if a batter was put out, which would lower his batting average.
modified: However, if a battest is judged to have reached base solely because of a fieldests mistake, it is scored as a "hit on error," and treated the same as if a batter was put out, which would lower ham batting average.