Already accustomed to dominating the San Diego Padres on the road, thePhiladelphia Phillies have to like their chances with on the mound.

The reigning NL Cy Young Award winner makes his first start at Petco Park onSunday as the Phillies try to sweep the Padres and extend their winning streakin San Diego to 11 games.

Thu, Apr 21 - Final Fri, Apr 22 - Final Sat, Apr 23 - Final 11th Sun, Apr 24 - Final

Philadelphia (14-6) have won 10 straight at Petco, including the first threeof this four-game set. two-run double in the 11th inning Saturdaylifted the Phillies to a 4-2 victory. They havent lost in San Diego since Aug.16, 2008.

Halladay (2-1, 2.83 ERA) will try to keep it that way, but hell need torebound from his worst performance of the season.

The right-hander was tagged for season highs of six runs and 10 hits in 62-3 innings of a 9-0 loss to Milwaukee on Tuesday. The six runs doubled thetotal the right-hander had yielded over his first three outings of the season.

You try and evaluate, not always based on results, Halladay told thePhillies official website. I think there were six ground-ball hits (Tuesday).Some days, those hits are right where guys are playing. Other days, theyarent.

Halladay won his only career start against the Padres (8-13), allowing tworuns and striking out seven in seven innings of a 3-2 Phillies home victory June4.He may fare even better in spacious Petco Park, where the Phillies own a 1.33staff ERA during their 10-game winning streak.

Howard has feasted on San Diego pitching, hitting .347 with nine homers and49 RBIs in 41 career meetings. His clutch hit Saturday came after appears to be healthy enough to returnto the lineup after an illness reduced him to one hit in two at-bats as apinch-hitter over the last two games. Hes 1 for 14 in his last six contests.

Chase is kind of on the back side of this sickness, manager Bud Black toldthe Padres official website. We expect him to be back out there (Sunday). Heshould be 100 percent, but hes not quite there now.

Headley is 0 for 4 with two strikeouts against Halladay.

The Padres are expected to recall from Triple-A Tucson in orderto make his season debut in a spot start.

The left-hander, who went 8-12 with a 4.25 ERA last season, has no decisionsand a 6.87 ERA in three minor-league starts in 2011.

LeBlanc, however, tossed seven scoreless innings while scattering four hitsin a 3-1 victory at Philadelphia on June 7.