Mariners' Luis Castillo to take on Angels, rookie Jack Kochanowicz

(Photo credit: Steven Bisig-USA TODAY Sports)

Jack Kochanowicz is scheduled make his major league debut on the mound for the Los Angeles Angels when they open a four-game series against the Seattle Mariners on Thursday in Anaheim, Calif.

Kochanowicz, a 6-foot-7 right-hander, will be called up from Double-A Rocket City, where the 23-year-oldwas 5-6 with 4.55 ERA in 16 starts this season.

In his past nine starts, however,