When it comes to getting run support, Roy Halladay and Edinson Volquez are two very unlucky pitchers.

Volquez and Halladay will oppose each other Saturday when the Phillies host the Padres in the second game of this weekend's three-game series.

Halladay hasn't picked up a win since April 16, and the Phillies are 0-4 in the games he's started since earning that last 'W.' But, with the exception of a disastrous outing against the Braves in which the former Cy Young winner allowed eight runs in 5 1/3 innings, Halladay has been very good. In fact, if you take that game in Atlanta out of the mix, he hasn't allowed more than three runs in a start all season.

The Phillies offense, though, hasn't done much for him. In four of the seven starts Halladay's made this year, the Phillies have scored two runs or fewer.

It's new territory for Halladay and the Phillies. Four games is his longest winless streak since joining Philadelphia in 2010. Many have pointed out Halladay's dip in velocity this season, but Phillies pitching coach Rich Dubee dismissed the notion.

"I don't know if he's ever been a flamethrower," Dubee said. "It's not like he's a gasoline monster."

Volquez, Halladay's opponent Saturday, has been a victim of similar woes, also receiving little run support. The Padres have scored more than three runs in a game Volquez started just once this year. They have yet to score more than four runs for him. Volquez didn't pick up his first win of the season until his last time out, when he defeated the Rockies. He's 1-2 on the season with a 2.98 ERA.

This trend was on display during the first series between these two teams this season, in April. The Phillies and Padres each grabbed two games in a four-game set. Volquez and Halladay both pitched in the series, and both pitchers lost, with their respective offenses scoring just one run in their starts.

Padres: Alonso on a tear

Yonder Alonso has picked up at least one hit in 13 of his last 14 games. Since April 25, he is batting .407 with a home run, eight doubles, four walks and seven RBIs.

"The last two and a half weeks, we've seen line to line, balls in the gap and him hitting all pitches," said Padres manager Bud Black. "He's using the whole field."

Alonso was just 3-for-23 lifetime against the Phillies with one RBI entering Friday's game. But he went 2-for-4 on Friday, hitting his first home run of the season and picking up two RBIs.

• Starting pitcher Joe Wieland was placed on the 15-day disabled list Friday with a strained right elbow. Black said he was hopeful Wieland will be able to return in two to three weeks.

• No team has won fewer road games this season than the Padres, who have only picked up two wins away from Petco Park.

Phillies: Polanco on milestone watch

Placido Polanco needs just two more hits to reach 2,000 for his career. When he collects his 2,000th hit, he will become the 17th active player with that many hits. He will become the third current member of the Phillies to join the 2,000-hit club, the others being Jim Thome and Juan Pierre.

• Pierre is not known for his power, hitting only 16 home runs in his 13-year career. However, he's hit an eighth of his career home runs -- two -- against the Padres. The only other teams Pierre has hit multiple home runs against are the Brewers, Tigers and Pirates.

• The Phillies called up three players from Triple-A Lehigh Valley on Friday, including Hector Luna. He was announced as a pinch-hitter in the sixth inning of Friday's game but didn't even get a chance to swing the bat. A pitching change forced Charlie Manuel to insert a different pinch-hitter (left-handed hitting Brian Schneider). When Luna does get his first at-bat this season, it will be his first since Oct. 1, 2010, when he played for the Marlins.

Worth noting

• Volquez has dominated Phillies outfielder Hunter Pence over the course of the two's careers. Pence is just 3-for-21 against Volquez, and he has struck out 10 times against the right-hander.

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