WATCH: Mariners' first walk-off grand slam in almost 15 years sends Rays to sixth straight loss | CBS Sports Headlines WATCH: Mariners' first walk-off grand slam in almost 15 years sends Rays to sixth straight loss Shed Long was Sunday’s hero for Seattle ESN FeedsThis post was originally published on … Continue reading WATCH: Mariners' first walk-off grand slam in almost 15 years sends Rays to sixth straight loss