PHOENIX (Interstat) — Ryne Nelson pitched eight innings of six-hit ball, Corbin Carroll went 4 for 4 with two runs batted in and the Arizona Diamondbacks routed the Colorado Rockies 9-1 on Sunday evening at Chase Field.

The victory gave Arizona a split of the four-game series after the Rockies had won the previous two games. Arizona improved to 28-24, while Colorado fell to 20-34.

Nelson (2-3) allowed one earned run, struck out three and walked two, retiring the side in order in the third, fourth, fifth and seventh innings. He threw 91 pitches, 60 for strikes, and faced 29 batters. The only Colorado run came in the eighth inning after Nelson had departed.

Jose Quintana (2-3) took the loss for Colorado, allowing seven runs on nine hits over three innings. He struck out one and hit a batter.

Arizona seized control with a four-run second inning that broke the game open.

After the Rockies took a 1-0 lead in the top of the first on Jake McCarthy’s RBI single, the Diamondbacks answered with two runs in the bottom of the first. Ketel Marte doubled, and Carroll tripled to score Marte. Geraldo Perdomo lifted a sacrifice fly to center that brought home Carroll, giving Arizona a 2-1 lead.

The second inning began with Ryan Waldschmidt’s line-drive single to center. After a groundout, Aramis Garcia singled to left, scoring Waldschmidt. Tommy Troy followed with a double to left, putting runners at second and third. Marte then hit a ground-rule double to left, clearing the bases and scoring Garcia and Troy to make it 5-1.

Carroll singled on a ground ball deflected by pitcher Blas Castaño, moving Marte to third. Perdomo grounded out to second, but Marte scored, pushing the lead to 6-1. Nelson Arenado flied out to end the inning.

Arizona added a run in the third. Ildemaro Vargas was hit by a pitch, and Waldschmidt tripled sharply to left, scoring Vargas for a 7-1 advantage.

The Diamondbacks tacked on two more in the sixth. With one out, Troy doubled to center. Marte singled to right, scoring Troy. Carroll then tripled to center, his second triple of the game, scoring Marte for a 9-1 lead.

Colorado’s only offense came in the eighth. McCarthy singled to right off reliever Taylor Clarke. After a groundout moved McCarthy to third, Chad Stevens hit a sacrifice fly to right, scoring McCarthy.

Clarke pitched a scoreless ninth, striking out one.

Carroll’s four-hit afternoon included two triples, a single in the fourth and another single in the first. He also drove in two runs and scored twice. Marte went 3 for 4 with a double, a ground-rule double and three RBIs. Waldschmidt had two hits, including a triple, and drove in one run. Troy finished 2 for 4 with two doubles.

Kyle Karros went 1 for 2 with a walk for Colorado. The Rockies managed only six hits overall, with McCarthy, Troy Johnston, Sterlin Thompson and Ezequiel Tovar each collecting one. Tyler Freeman, Edouard Julien and Brett Sullivan were held hitless.

Arizona’s defense turned two double plays, both started by ground balls that erased baserunners. Colorado also grounded into a double play.

The game lasted 2 hours, 18 minutes in front of 30,037 fans.

Colorado had won the series opener Thursday 2-1, then won 3-2 on Friday before Arizona rebounded with a 5-4 victory Saturday. The Diamondbacks have now won three of their past four games overall.

Interstat’s game simulator had projected a final score of Arizona 7, Colorado 2. Interstat’s ELO system gave Arizona a 71.90 percent probability to win. Arizona had been installed as a pregame favorite with a spread of minus-1.5. The combined total of 10 runs went under the over/under line of 9.