Diamondbacks pitcher Wade Miley walked a career-high seven as he ran up his pitch count and did not last long into his outing, settling for a no-decision Saturday night against the Rockies.

Miley walked four in the first inning but managed to escape unscathed. He allowed four singles in 4 1/3 scoreless innings. He struck out three in 98 pitches, 52 for strikes.

Miley has not lost and has a 2.37 ERA and 1.29 WHIP. his next start is Friday at San Diego. The left-hander is 1-2 with a 5.30 ERA in three starts at Petco Park.