Garrett Richards:
On comeback trail after a stem-cell injection regenerated a torn elbow ligament, he pitched normally all spring.
Matt Shoemaker:
Brain surgery after being hit by a line drive in September has not held him back.
Ricky Nolasco:
Veteran right-hander relies on a sinker to eat up innings.
Jesse Chavez:
A veteran at 33, he has a reputation for starting strong and then fading.
Tyler Skaggs:
Longtime top prospect is now 2 1/2 years removed from elbow ligament-replacement surgery.
Alex Meyer:
At 27, the lanky right-hander is probably facing a make-or-break season.