SAN DIEGO (Interstat) — Arizona and San Diego meet Sunday at PETCO Park, with the Padres seeking to maintain their edge over the Diamondbacks in the final stretch of the regular season. Arizona is the visiting team, and San Diego is the home team.

San Diego enters 90-71. Arizona is 87-75. The Padres have won three of the past five meetings, including a 10-7 victory in the most recent matchup. Arizona responded with an 11-4 win in the previous game of the series. The teams have split their past 10 head-to-head games. Arizona has won six of its past 10 games, including a 12-8 victory at Colorado and an 8-7 win over Miami. San Diego has won eight of its past 10, with a 9-2 win at Colorado and an 8-2 win over Miami.

Arizona is expected to start Michael Soroka, who is 9-5. Randy Vásquez, 10-6, is San Diego’s probable pitcher. The game-time forecast calls for 86 degrees at the downtown San Diego ballpark.

Arizona reliever Justin Martinez has been difficult to hit. He has allowed no earned runs and three hits over his past eight appearances, striking out 11 in 7 1/3 innings. Martinez worked a scoreless inning with two strikeouts in the most recent meeting. During that stretch, he also recorded scoreless outings against Colorado, the New York Yankees, Miami and Texas. He struck out three against Texas and two against the Yankees and Padres.

San Diego third baseman Manny Machado has two home runs and seven RBIs over his past 10 games. He went 2 for 5 with a home run and three RBIs in the Padres’ 10-7 win over Arizona in the most recent meeting. Machado also homered and drove in three runs against the Los Angeles Dodgers in a 5-1 win. He had two hits against Miami in a 7-6 victory. Jake Cronenworth added two hits and two RBIs in the most recent meeting, and Bradgley Rodriguez threw two scoreless innings with two strikeouts. Arizona’s James McCann homered and drove in two runs in the loss.

Arizona will look to lean on Martinez late if the game stays close. San Diego’s offense will aim to support Vásquez and build early pressure against Soroka. The Padres will host the Chicago Cubs in their next series. The Diamondbacks are looking to bounce back from the loss.

Interstat’s game simulator projects Arizona to win 9-7. Interstat’s ELO system gives San Diego a 56.6 percent probability to win. Arizona has been installed as a pregame favorite with a spread of -1.5. The over-under is 8.5.