Arizona Diamondbacks Sign Reliever With 5.67 ERA Over Last Two Seasons. He Oughta Fit in Nicely

The Arizona Diamondbacks currently have the worst bullpen in Major League Baseball, and it's likely the team's latest addition won't do much to help that.

The D-Backs signed reliever Luis Ayala to a minor-league contract today, which is the team's latest move in its attempt to improve the bullpen's current, league-worst 7.90 ERA.

It's encouraging that the D Backs recognize how pitiful its bullpen has been this season and are taking steps to improve it -- recently releasing right-hander Bob Howry and designating right-hander Blaine Boyer for assignment -- but Ayala's last two seasons haven't exactly been on par with the likes of New York Yankees nearly flawless closer Mariano Rivera.

The 32-year-old Ayala had some success early in his career when he played for the Expos/Nationals from 2003-2007. During that time, Ayala posted a 2.82 ERA.

His last two seasons haven't been quite as impressive.

While pitching for the New York Mets, the Minnesota Twins, and the Florida Marlins, Ayala's ERA was 5.67 -- 5.71 in 2008 and 5.63 in 2009.

The D-Backs other new addition, Saul Rivera, got off to a rocky start in his first appearance with the club on Tuesday, giving up five runs -- including two homers -- in one inning.

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