Luis Perdomo (5-7, 6.68 ERA) and Braden Shipley (2-2, 4.30 ERA) start in the last of a four-game series between the San Diego Padres (52-71) and the Arizona Diamondbacks (51-72) at Petco Park. The Diamondbacks won the last game 2-1, and San Diego leads the series 2-1. Action begins at 4:40 p.m. ET on Sunday, Aug. 21 and can be seen on FSAZ and FSSD.

Perdomo pitched 5.2 innings in his most recent start, surrendering three runs, striking out five and walking three in an 8-2 defeat to the Rays. Shipley went 5.0 innings, surrendering seven runs (one unearned) and walking one in a 7-5 defeat to the Mets in his last outing.

Arizona is a narrow -115 favorite over San Diego. The matchup has an estimated Over/Under (O/U) of eight runs. The Padres have recorded an overall money line of -25 and have shown a weak performance as an underdog this season with a record of 39-63. San Diego has had a discouraging season against division opponents, earning records of 17-26 and 21-27 as the underdog and SU respectively. San Diego is one of the best in the MLB in terms of steals, swiping 102 bases.

In games where it is the favorite, Arizona has a 24-25 record and an overall money line of -2,063. They have played poorly as the favorite with an 8-13 record against NL West foes, and a 4-6 record SU. Offensively, the Diamondbacks have really picked up the pace in the last 10 games. They have exceeded their season average of 4.6 runs per game by averaging 6.1 during that stretch. The Diamondbacks are tough outs for opponents, ranking third in the NL with 9.3 hits per road game. The Diamondbacks are an excellent base stealing team with 100 stolen bases, ranking fifth in the MLB. The Diamondbacks have established a reputation of overwhelming hitters with an NL-best 8.0 strikeouts per road game, making them one of the top five teams in the league.

The Padres have a 37-54 record against right-handed starting pitchers on the year, which is what they'll be facing when Shipley takes the mound. Perdomo (RHP) will be on the hill against the Diamondbacks, who have a 34-56 record against right-handed starting pitchers.

Predictions: SU Winner - ARI, O/U - Over


The Padres are 21-28 against their divisional rivals, while the Diamondbacks are 21-30 against their division.

For the 21st time this season, the Padres registered at least two errors in a game.

Having scored one run in their last game, the Padres are going to have to step it up if they want to win this matchup. The Diamondbacks have a 15-0 record in games where opponents scored one run or less.

When they are outhit, the Diamondbacks are 8-51. The Padres have an 11-52 record when opponents outhit them.

Both falling in the bottom half of the league based on total home runs this season, San Diego ranks 16th with 143 homers and Arizona is 18th with 140.

Ranking 14th, San Diego is in the top half of the league in hits, notching 8.05 per game. Arizona ranks in the top five at third with 9.25.

Ranking 28th, San Diego is near the bottom of the league for its on-base plus slugging percentage (.700). Arizona ranks in the top half at 11th with an OPS of .757.

The Diamondbacks are 26-60 when they allow at least one home run. The Padres perform similarly when they allow one or more homers with a 27-51 record.