DENVER (Interstat) — The Arizona Diamondbacks and Colorado Rockies conclude a three-game series Sunday afternoon at Coors Field, with first pitch scheduled for 3:10 p.m. EDT amid a forecast of 73 degrees and rain. Arizona (21-23) sends right-hander Michael Soroka (5-2) to the mound. The Diamondbacks split the first two games of the set, dropping a 4-2 decision Saturday after a 9-1 victory Friday. Colorado (18-28) has not announced a starting pitcher for the series finale. Right-hander Eduardo Rodriguez is a player to watch for Arizona. In his most recent start Saturday against Colorado, he took the loss despite striking out six over 5 1/3 innings, allowing nine hits and three earned runs. Rodriguez has won four of his past five decisions. Right-hander Tomoyuki Sugano is a player to watch for Colorado. He earned the win Saturday against Arizona, allowing two earned runs on seven hits over five innings with one strikeout. Sugano is 2-2 in his past four starts. Arizona has won seven of its past 10 games. Colorado has lost three of its past four. The Interstat game simulator projects a 4-3 Arizona victory. The Diamondbacks are installed as a minus-1.5 run favorite, with the over/under set at 11 runs. Arizona opens a three-game home series Monday against San Francisco. Colorado hosts Texas for three games beginning Monday.