Rangers' Kumar Rocker relishes challenge in debut vs. M's

(Photo credit: Benjamin Chambers/Delaware News Journal / USA TODAY NETWORK)Kumar Rocker hopes he can put off the first-game jitters for just a bit.

The right-hander is scheduled to make his major league debut for the Texas Rangers when they open a four-game series Thursday night against the host Seattle Mariners.

"It'll hit me maybe after the game," Rocker, 24, toldreporters in Phoenix, where he joined the Rangers on W