DENVER -- Citing the need to get Christian Friedrich over the midseason hurdle, the Rockies have announced he won't pitch until Sunday against the Giants.
Friedrich was scheduled to pitch Thursday against the Cardinals.
"We'll back him up a couple days, then put him back out there," manager Jim Tracy said. "He's a little stiff and sore. [He has] some tightness in his lower back."
The rookie left-hander has allowed 14 runs in his last 14 innings. Friedrich's last two seasons in the Minors, with Double-A Tulsa, have been cut short due to elbow injuries.
Friedrich said over the weekend he planned on cutting back on his weight-lifting regimen before his next start to provide time for healing.