Here is a partial list of the stats item calculated by Fourteen-One Engine:

OPI - Offensive play index [specifications]
BPI - Balls per inning
PPI - Points per inning
BPASI - Balls Per Attempted Scoring Inning
PPASI - Points Per Attempted Scoring Inning
Runs (x balls min)
Misses
Lucky on miss
Smooth end-of-run
Safety success
Average shot time
Average offensive shot time
Average defensive shot time