The decision to close Michael Waltrip Racing boiled down to finances and results.

When the results weren't matching the financial investment Rob Kauffman was making on an annual basis, the co-owner could no longer justify pouring money into the organization.

That's the explanation Kauffman gave Friday for his decision this week to pull out of MWR. He rescued Michael Waltrip from ruin during MWR's rocky 2007 debut season, but will shift his dollars to Chip Ganassi Racing beginning next season.