Pinch-hitter Yutaro Itayama singled with the bases loaded to give the Chunichi Dragons a 2-1 walk-off victory and a three-game sweep over the Central League-leading Hiroshima Carp on Sunday. The home team capitalized as Hiroshima closer Ryoji Kuribayashi floundered in the bottom of the ninth at Vantelin Dome Nagoya, walking the bases loaded before Itayama grounded a 2-1 pitch through the gap to right field. “It feels fantastic to have our first three-win streak in a while,” Itayama said. “I fouled after getting up 2-0 in the count but got on track with the next pitch.” The Dragons broke the ic…