Matchup: Alexi Ogando vs. Danny Duffy

ARLINGTON -- This three-game series between the Rangers and Royals ends with undefeated righty Alexi Ogando taking on left-hander Danny Duffy. Here's the matchup:

Alexi Ogando (5-0, 1.81): What more can be said of the outstanding job Ogando has done thus far. He's battled through blisters to compile the second-lowest ERA in the AL behind Boston's Josh Beckett (1.69) and the fourth lowest in the majors. ... Opponents are hitting a major league-low .181 this season against him. ... In Ogando's last start, Monday vs. the Chicago White Sox, he posted his first career shutout in a 4-0 win. He walked three but gave up just five hits and struck out six. ... In three career games vs. the Royals, he is 1-0 with a 2.08 ERA.

Danny Duffy (0-0, 3.86): He's making his third start and has two no decisions, including one against the Rangers. ... Duffy, 22, made his big league debut vs. the Rangers May 18, giving up two runs on four hits while walking six. ... In Triple-A Omaha, he went 3-1 with a 3.00 ERA in seven starts. Opponents hit .227 against him.