A sharp eye will reveal a possible sleeper heading into the 2013 MLB Season: Baltimore’s Jake Arrieta. Looking at his peripherals, (8.0 K/9, 3.5 BB/9, 1.1 HR/9, 15% HR/FB, .330 BABIP, and 58% strand rate) it’s easy to cast off Arrieta as another Ricky Nolasco. If someone wanted to make