Taijuan Walker
Arizona Diamondbacks

Fastball

61.3% Thrown  93.9 MPH

As Walker moves to Chase Field, he'll have to work extra hard to dampen Walker's biggest flaw last season - his poor HR/FB rate with his Four-Seam Fastball. Hopefully he can get over the hump and take advantage of his heater's high 9.5% whiff rate as he focuses on elevated Fastballs.

Curveball

11.3% Thrown  76.0 MPH

Walker doesn't have a pitch reserved as a "putaway pitch", but his Curveball held the highest K rate in his repertoire last season with a 21.3% mark. He elected to use it less as a chase pitch in the dirt, though, and more of a surprise strike three over the plate.

Split-Finger

20.2% Thrown  88.2 MPH

The overall filthiest pitch Walker throws is an unruly Splitter that has a ton of sharp break, though it can creep up above the zone a little too frequently. If he can keep that pitch down in the zone or below it, expect whiff rates to rise and its allowed .270 ISO to plummet as well.

Cutter

7.3% Thrown  87.9 MPH

Walker features a Cutter as an option for strikes not named his Fastball, but it suffered the same fate as his heater, getting launched for longballs at a 40% HR/FB rate.