With the bullpen struggling, the Royals went out and found a new arm late Thursday night.
Whether he will be an improvement remains to be seen.
Right-hander Felipe Paulino, a disappointment in his brief time with the Rockies, was acquired by the Royals late Thursday for cash considerations.
The Rockies had designated Paulino for assignment Saturday, one day after he gave up a walk and a two-run homer to Prince Fielder in the 14th inning that gave the Brewers a 7-6 win.
Paulino, whom the Rockies acquired from the Astros in November for infielder Clint Barmes, went 0-4 with a 7.36 ERA in 18 games with Colorado. He retired the first batter he faced just five times in his 18 appearances. Right-handed hitters batted .421 against Paulino, and lefties hit .318.
The Royals cleared a roster spot for Paulino by designating right-hander Robinson Tejeda for assignment. Tejeda was 0-1 with a 6.14 ERA in nine appearances for Kansas City this season. He had allowed 12 hits in 7 1/3 innings.
Tejeda was out from mid-April until mid-May due to right shoulder inflammation. He made two appearances after returning, allowing one run in one inning each time.
The moves came at a time when the bullpen had been showing cracks.
Rookie Louis Coleman retired only one of four batters he faced and gave up a walk-off single to Vladimir Guerrero in the 12th inning Thursday in the Royals' 6-5 loss at Baltimore.
Coleman failed to retire a batter Sunday in a loss to the Cardinals, walking one and hitting one.
The Royals have lost five straight and 10 of 12. Five of the past six losses have been pinned on the bullpen -- right-handers Joakim Soria (one defeat), Jeremy Jeffress (one), Coleman (two) and lefty Tim Collins (one).
Overall, the bullpen's record has dropped from 11-3 to 11-8 with the recent tailspin.
The bullpen was fairly solid for five innings in the finale at Baltimore. Blake Wood, however, failed to retire any of the three batters he faced in the 11th before rookie Everett Teaford bailed him out.
Of the five relievers manager Ned Yost used Thursday, four were rookies, and Wood is in his sophomore season.
This weekend, Yost will have a new reliever at his disposal.
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