O'Brien earned the save Tuesday against the Padres after tossing a scoreless ninth inning while allowing a walk.
O'Brien has converted his last five save opportunities and has gone 18-for-22 so far in 2026. One of the most reliable ninth-inning relievers in the National League this season, O'Brien owns a 3.73 ERA and 1.21 WHIP across 31 appearances (31.1 innings) in 2026.