MLB: Pittsburgh 4, Colorado 2

DENVER, July 27 (UPI) -- Neil Walker went 3-for-4 Tuesday to lead Pittsburgh to a 4-2 win, as the Pirates sent Colorado to its seventh straight loss.

Walker cracked a solo home run for Pirates, who ended a four-game losing streak.

Zach Duke (5-9) got the win, allowing two runs on three hits over six innings. Octavio Dotel pitched the ninth for his 21st save.

Brad Hawpe and Clint Barmes had back-to-back home runs for the Rockies, who were outhit by Pittsburgh 7-6. Jorge De La Rosa (3-3) took the loss, giving up three runs -- two earned -- on six hits and eight strikeouts over seven innings.

Pittsburgh took a 2-0 lead in the first inning on Jose Tabata's RBI single and a wild pitch that Tabata scored on.

After Colorado tied it 2-2 in the fifth, Pittsburgh scored the decisive run in the sixth on an RBI double by Garret Jones. Walker tacked on the insurance run in the eighth with his fourth home run of the year.

Colorado closer Huston Street was hospitalized before the game after he was hit in the head by a line drive during batting practice.