Which Group Posts a Lower 2nd Half ERA? - Results (poll 10058464)

Which Group Posts a Lower 2nd Half ERA?

Group A - SIERA Outperformers 75%
Group B - SIERA Underperformers 19%
Neither, each group posts the same ERA, or within .05 in ERA 6%

See this poll on: https://poll.fm/10058464/embed