The Royals have sent 23-year old righty reliever Kelvin Herrera to AAA-ball. Herrera pitched in 19 games (0 starts) for the Royals so far this year and he is 2-4 with a 4.87 ERA and a 1.33 WHIP. He worked 20 1/3 innings for the Royals this year and he gave up 19 hits, walked 8 batters and he whiffed 24 of them. Herrera had a big time issue with the long ball as he has given up 8 homers so far this year. Herrera will be back soon if he gets straightened out in AAA-ball. The Royals have called up 27-year old righty reliever Louis Coleman. He made his 2013 debut for the Royals last night, working a shutout inning. He also pitched in 14 games (0 starts) in AAA-ball earlier this year and he was 2-1 with 3 saves, a 1.03 ERA and a 1.10 WHIP. Coleman has pitched in 91 games (0 starts) in his first three years with the Royals and he is 1-4 with 1 save, a 3.22 ERA and a 1.24 WHIP.