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ESPN's Jason Grey on Mariners hitting prospect Dustin Ackley Ackley's plus speed -- he has been...

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ESPN's Jason Grey on Mariners hitting prospect Dustin Ackley Ackley's plus speed -- he has been timed at 4.12 from home to first base here, making him close to a 70 runner on the 20-to-80 scouting scale in terms of raw speed -- wasn't necessarily reflected in his 10-for-13 steals numbers this year in 134 games, but I do expect him to make base-stealing a bigger part of his game this season, and he did mention he's starting to look for more opportunities. Ackley could see some time in Seattle in the second half of 2011 if he can show some improvement at second base. He appears to be a .300 BA, .400 OBP and 20+ SB guy at second base, with little power.