The right-hander seeks to build on his first win in three months Monday against the visiting Toronto Blue Jays.McCarthy has often struggled through his injury-shortened season and had one of those miserable outings in Cincinnati on Aug. 21. He was tagged for seven runs in a season-low 2 1/3 innings en route to a 10-7 loss but bounced back with an impressive performance last Monday.McCarthy (3-8, 5.03 ERA) gave up one unearned run and five hits over seven frames in a 6-1 victory over San Diego, his first since he beat the Padres on May 24. He's spent a good portion of this season on the disabled list with inflammation in his pitching shoulder."Nice to see a positive result," McCarthy said. "I never felt that strong this season and went back to watch video from before I went on the disabled list last season. I saw some mechanical issues, made a few adjustments, and am satisfied with the results."Arizona (69-66) could use another strong start from McCarthy after dropping three of four. An 8-2 defeat to San Francisco on Sunday kept the Diamondbacks six games behind Cincinnati for the NL's final wild-card spot.Arizona will try to cut that deficit while facing a Toronto team that's won five of seven. The Blue Jays (62-75), however, couldn't complete a sweep of Kansas City on Sunday, managing just three hits in a 5-0 loss."We're happy to win the series," shortstop Jose Reyes told the team's website. "Every time we win a series, we'll take that."The struggling Esmil Rogers (3-7, 5.03) will try to help his club bounce back quickly in his return to the rotation. The right-hander is 0-5 with a 6.56 ERA in his last 11 starts and gave up four runs over five innings in his most recent one, an 8-4 loss to the New York Yankees on Aug. 20.Rogers is 0-2 with a 5.60 ERA in three career starts against Arizona and gave up six runs over 5 1/3 innings in his latest matchup, a 10-7 loss for Colorado on Sept. 5, 2011.Martin Prado is 2 for 2 lifetime versus Rogers and batting .383 with 23 RBIs while hitting safely in 17 of his last 18 games. Prado went 4 for 14 (.286) in a three-game series against Toronto last season while with Atlanta.Willie Bloomquist, 8 for 14 (.571) since his return from the disabled list, has three singles in his last eight at-bats against Rogers. He's batting .344 in his past nine games against Toronto but the most recent matchup was on July 21, 2010.Arizona won two of three over Toronto at Chase Field in the latest matchup between the clubs May 21-23, 2010.