The Mariners will need several players to step up or maintain their form if the team hopes to make the postseason.

The Mariners were baffling, impressive and entertaining during the first half of the season, and they're about to embark on a 66-game sprint to the finish.

Following the All-Star break, the Los Angeles Dodgers took the top spot in Thursday's Fastball On SI MLB power rankings poll. Check out the full list below.