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New Arms of the Week - August 10-16

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Six rookies got the call and made their major league debuts this week. This will mostly be a run-down of their basic PITCHf/x numbers, but I have a few observations - despite the small samples.

rookie pitch # vs LHH vs RHH MPH PFX_X PFX_Z DEG RPM
Cesar Carrillo Change 11 6 5 86.2 -7 2 253 1429
Cesar Carrillo Curve 17 7 10 80.5 7 -4 58 1419
Cesar Carrillo Sinker 8 8 0 93.9 -8 5 237 1916
Cesar Carrillo Fastball 26 11 15 94.5 -6 8 215 2063
Esmailin Caridad Change 1 1 0 81.3 -7 2 252 1278
Esmailin Caridad Sinker 24 8 16 92.8 -6 5 231 1591
Esmailin Caridad Fastball 45 26 19 94.4 -4 8 207 1799
Esmailin Caridad Slider 22 3 19 77.6 7 -2 76 1287
Jeff Manship Change 5 3 2 81.5 -7 8 224 1964
Jeff Manship Sinker 12 12 0 90.0 -10 8 231 2499
Jeff Manship Fastball 12 4 8 90.0 -7 11 212 2620
Jeff Manship Cutter 2 0 2 84.6 0 5 180 876
Jeff Manship Slider 5 3 2 80.1 4 0 95 672
Justin Berg Sinker 13 8 5 92.4 -7 4 240 1781
Justin Berg Fastball 2 0 2 92.1 -4 5 219 1397
Justin Berg Slider 12 8 4 83.8 0 4 174 725
Samuel Gervacio Sinker 5 5 0 92.7 -8 -4 298 1818
Samuel Gervacio Fastball 9 2 7 95.0 -8 3 249 1801
Samuel Gervacio Slider 14 2 12 86.4 3 -2 78 804
Trevor Bell Change 9 8 1 85.8 -3 3 217 856
Trevor Bell Sinker 1 1 0 91.1 -4 5 221 1181
Trevor Bell Fastball 47 24 23 93.7 -2 9 191 1935
Trevor Bell Cutter 5 5 0 85.6 0 7 183 1326
Trevor Bell Slider 13 3 10 86.2 2 2 135 643

 

Berg has already been demoted by the Cubs, and his debut actually came during his second cup of coffee.  Continuing the Cubs them, Caridad looks like he'll stick around until the next regular comes of the DL and Carrillo will make his first major league start Tuesday when the Padres host Chicago. Carrillo also happens to be a Chicago native who as made his way back from Tommy John surgery.

Since the samples are so very limited, there isn't a whole lot to say. But here are a few notes.

  1. Caridad has managed to get a .31 whiff rate on his fastball, which is impressive
  2. Gervacio has shown an early ability to get grounders, while Carrillo and Caridad have not
  3. More Carrillo - worst strike rate, whiff rate and SLGCON in the Small Sample Derby
  4. Manship threw the most strikes (24/36)
  5. Bell's slider may need to be revisited, some may have been splitters

Yea, that's all I got.