PHOENIX, April 6 (UPI) -- Felipe Lopez and Tony Clark each hit two homers and Chad Tracy hit the winning homer in the seventh Monday to give Arizona a 9-8 victory over Colorado.
Tracy was 3-for-4.
Brandon Webb, who had an NL-leading 22-win season last year, gave up six runs on six hits and a pair of walks in his four-inning start for the D-Backs. Tony Pena (1-0) got the win in relief.
Troy Tulowitzki, Chris Iannetta and Seth Smith each homered for Colorado. Brad Hawpe was 3-for-4 with a three-run double in defeat.
Aaron Cook allowed six runs on seven hits in 2 1/3 innings. Jason Grilli (0-1) took the loss in two innings of relief.
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