The Mariners signed second overall pick and Scott Boras client Dustin Ackley, according to MLB.com's Jonathan Mayo. It's a big league deal worth $9.5MM, says SI's Jon Heyman. The five-year contract ties Mark Teixeira's mark for position players, says ESPN's Jason Churchill. Baseball America's Jim Callis says the deal is actually for $7.5MM guaranteed. Click here to see MLB.com's scouting report on the UNC outfielder.