TAMPA (Interstat) — Drew Rasmussen pitched six innings of three-hit shutout ball and Junior Caminero went 3 for 3 with a home run and two RBI as the Tampa Bay Rays defeated the Arizona Diamondbacks 5-1 on Sunday afternoon at George Steinbrenner Field.

The Rays completed a three-game sweep of the Diamondbacks, outscoring Arizona 15-3 in the series. Tampa Bay improved to 48-33, while Arizona fell to 41-42.

Rasmussen, who entered the game with a 6-4 record, allowed no earned runs and struck out five while walking none. He retired the final 10 batters he faced before exiting after six innings. The right-hander lowered his ERA to 3.12 and earned his seventh win of the season.

Merrill Kelly took the loss for Arizona, dropping to 5-8. Kelly lasted six innings, allowing four runs on eight hits with two walks and three strikeouts.

The Rays jumped ahead in the first inning. Yandy Díaz led off with a sharp single to center and Jonathan Aranda walked. Caminero lined a single to left, scoring Díaz and moving Aranda to second. Victor Mesa Jr. struck out, and Chandler Simpson grounded into a double play to end the inning, but Tampa Bay held a 1-0 lead.

Tampa Bay added two runs in the second. Cedric Mullins led off with a solo home run to right-center, his eighth of the season. After Ben Williamson grounded out, Taylor Walls singled to right and Nick Fortes singled to right, putting runners at the corners. Díaz then lifted a sacrifice fly to right, scoring Walls and making it 3-0. Jonathan Aranda lined out sharply to end the inning.

Arizona threatened in the third when Ketel Marte was hit by a pitch after a successful challenge and Geraldo Perdomo singled to put runners at first and second with two outs. But Drew Rasmussen struck out Corbin Carroll to escape the inning.

The Diamondbacks put two runners on again in the fourth. Adrian Del Castillo singled to right and Lourdes Gurriel Jr. was hit by a pitch. Pavin Smith flew out deep to center, advancing Del Castillo to third. But Nolan Arenado struck out and Ildemaro Vargas flew out to left, leaving the runner stranded.

Caminero struck again in the fifth, leading off with a solo home run to center, his 22nd of the season, extending the lead to 4-0. Victor Mesa Jr. followed with a single, but Chandler Simpson flew out to end the inning.

Ben Williamson provided further insurance in the sixth, launching a solo homer to left-center, his second of the season, giving the Rays a 5-0 advantage.

Arizona finally broke through in the eighth against reliever Garrett Cleavinger. Ketel Marte led off with a solo home run to center, his 15th of the season, cutting the deficit to 5-1. But Cleavinger struck out Geraldo Perdomo and got Corbin Carroll to ground out before Gabriel Moreno struck out on a foul tip to end the inning.

The Diamondbacks attempted a rally in the ninth against closer Craig Kimbrel. Lourdes Gurriel Jr. singled to left with one out, but Pavin Smith flew out to left and Nolan Arenado struck out swinging to end the game.

Tampa Bay’s bullpen combined for three innings of one-run relief. Trevor Martin pitched a scoreless seventh, allowing one hit and striking out one. Kimbrel pitched a scoreless ninth, striking out one for his 12th save.

Arizona’s relievers also performed well. Drey Jameson, Jonathan Loáisiga and other arms each pitched a scoreless inning in relief, but the damage was done early.

Caminero was the offensive standout for Tampa Bay, collecting three hits, including a home run and a single, and driving in two runs. Mullins also homered, and Díaz added a sacrifice fly and a single. For Arizona, Marte homered and accounted for the team’s only run. Pavin Smith doubled in the second inning but was left stranded. The Diamondbacks managed only five hits in the game, with Perdomo, Del Castillo, Gurriel and Smith also reaching base.

Attendance was 17,195, and the game lasted 2 hours, 26 minutes.

Interstat’s game simulator had projected a final score of Tampa Bay 6, Arizona 5. Interstat’s ELO system gave Tampa Bay a 55 percent probability to win. Tampa Bay was installed as a pregame favorite with a spread of minus 1.5. The total of six runs went over the over-under line of 7.5.