Opponent Dashboard but you get the L

[XxIamOmegaxX_PSN]

So last night I was playing for WS, my rating was 892, im in the 2nd inning beating my opponent 3-2 with 2 runners on. Gorman double to the wall he rage quit/dashboard. I go back to the main menu and I get the L and go down to 870 this happen to anyone else? WS or not?