noun
fielding average; fielding percentage
Baseball statistic calculated as (putouts + assists) / (putouts + assists + errors).
彼の守備率はチームで一番高い。
His fielding average is the highest on the team.
Earned run average (ERA); a pitching statistic, not a fielding one.
Compound of 守備 (shubi, 'defense, fielding') and 率 (ritsu, 'rate, percentage').