Would you be willing to answer a few brief questions about PlayStation Forums?
So everytime I'm on a 1st place winning streak, I get rewarded for "second-place streak". **bleep**? Glitch? Typo? Superbot fix this? Never gonna happen? Yup? Yup.
I believe what it actually means (but does a poor job of explaining) is that you had a streak in which you came in 2nd place or higher.