I see a need for a different base-running stat. Watching the Nats, you can see opposing fielders hurry their throws because:
- Bernie, Harper, somebody is running fast
- Need a DP against fast National runner
- Need to field a bunt cleanly
- Ball takes odd hop, say, high in the air, and fielder needs to be almost perfect against Harper, Bernie, the rest.
For one or several of those reasons, the fielder either makes an error, or fails to make a close play that they should have made, but are not given error. (Example...failed to turn DP because Nats runner has gone on hit&run or takes out pivot man).
I don't see that UBR counts those plays, but they are often game-changers.
