(4) The winning relief pitcher shall be the one who is the pitcher of record when his team assumes the lead and maintains it to the finish of the game. EXCEPTION: Do not credit a victory to a relief pitcher who is ineffective in a brief appearance, when a succeeding relief pitcher pitches effectively in helping his team maintain the lead. In such cases, credit the succeeding relief pitcher with the victory
Just a quirk of baseball scoring–someone has to get the win. Tangentially related, this reminds me of a game I went to in which Trevor Hoffman came in with two on, two out and a one run lead. He threw one pitch, which was hit for a double to the wall. However, the guy that was on first was thrown out at home. Hoffman got credit for a save.
I had to look it up at Retrosheet to confirm when this happened–it was August 28, 2001 (can’t figure out how to link to a specific boxscore at Retrosheet).
The reason Ray would have preferred the save is that closers get paid for saves and wins look bad on their record. In order for a closer to get a win (except in this somewhat unusual case) he either has to blow a save and be taken off the hook by his team or be a “mop up” closer who is brought in in losing situations and occasionally wins one. In neither case is a win a good thing on his record.