| Bobby Jenks |
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Chicago White Sox [ Team Audit page ] Pitcher Throws R Age 25 6' 3" 240 lbs. |
Player Profile
Other References
Baseball Prospectus DT Player Card
baseball-reference Player Card
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Player Profile |
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Other References Baseball Prospectus DT Player Card baseball-reference Player Card |
Sections
Historical Stats | 2006 Forecast | Diagnostics | Five-Year Forecast | Most Comparable Pitchers
| Player Comments
| Year | Tm | Lg | W | L | SV | G | GS | IP | H | BB | SO | HR | GB% | BABIP | Stuff | WHIP | ERA | PERA | ERA | H9 | BB9 | K9 | HR9 | VORP | WXRL | WARP |
| 2003 | ARK | AA | 7 | 2 | 0 | 16 | 16 | 83.0 | 56 | 51 | 103 | 2 | -- | .270 | 26 | 1.29 | 2.17 | 4.40 | 3.48 | 7.3 | 6.8 | 8.5 | 0.5 | 18.3 | -- | 3.1 |
| 2004 | SLC | AAA | 0 | 1 | 0 | 3 | 3 | 12.3 | 19 | 6 | 13 | 1 | -- | .462 | 0 | 2.03 | 8.05 | 4.05 | 8.78 | 10.8 | 4.1 | 6.8 | 0.7 | -4.7 | -- | -0.2 |
| 2005 | BIR | AA | 1 | 2 | 19 | 35 | 0 | 41.0 | 34 | 20 | 48 | 1 | 61% | .320 | -2 | 1.32 | 2.85 | 4.38 | 5.31 | 8.5 | 5.1 | 6.9 | 0.5 | 1.3 | -- | 1.2 |
| 2005 | CHA | MLB | 1 | 1 | 6 | 32 | 0 | 39.3 | 34 | 15 | 50 | 3 | 47% | .316 | 35 | 1.25 | 2.75 | 2.95 | 3.18 | 7.5 | 3.4 | 11.1 | 0.7 | 10.4 | 1.4 | 1.6 |
 EQA Distribution |
 Five-Year WARP |
| Percentile | W | L | SV | G | GS | IP | H | BB | SO | HR | GB% | BABIP | Stuff | WHIP | ERA | PERA | ERA | H9 | BB9 | K9 | HR9 | VORP | WXRL | WARP |
| 90o | 4 | 4 | 37 | 66 | 0 | 60.3 | 47 | 28 | 63 | 3 | 51% | .280 | 21 | 1.24 | 2.59 | 2.92 | 2.57 | 6.7 | 4.1 | 9.1 | 0.4 | 20.7 | 3.1 | 5.5 |
| 75o | 3 | 4 | 24 | 55 | 0 | 51.3 | 45 | 28 | 52 | 4 | 50% | .298 | 14 | 1.42 | 3.82 | 3.85 | 3.79 | 7.7 | 4.7 | 8.8 | 0.7 | 10.2 | 1.4 | 2.9 |
| 60o | 3 | 4 | 21 | 53 | 0 | 49.7 | 45 | 28 | 50 | 4 | 50% | .302 | 12 | 1.46 | 4.09 | 4.07 | 4.07 | 7.8 | 4.9 | 8.6 | 0.7 | 8.2 | 1.1 | 2.4 |
| 50o | 3 | 4 | 17 | 49 | 0 | 46.3 | 44 | 27 | 46 | 4 | 50% | .308 | 8 | 1.53 | 4.58 | 4.44 | 4.55 | 8.2 | 5.1 | 8.5 | 0.8 | 5.0 | 0.6 | 1.7 |
| 40o | 2 | 4 | 16 | 47 | 0 | 44.7 | 43 | 27 | 44 | 5 | 50% | .311 | 7 | 1.56 | 4.79 | 4.60 | 4.76 | 8.4 | 5.3 | 8.5 | 0.8 | 3.8 | 0.5 | 1.4 |
| 25o | 2 | 3 | 13 | 43 | 0 | 41.3 | 42 | 26 | 40 | 5 | 50% | .318 | 4 | 1.63 | 5.31 | 5.00 | 5.27 | 8.8 | 5.5 | 8.4 | 0.9 | 1.0 | 0.1 | 0.9 |
| 10o | 1 | 3 | 6 | 33 | 0 | 32.3 | 37 | 23 | 30 | 5 | 49% | .335 | -6 | 1.85 | 6.80 | 6.16 | 6.75 | 9.9 | 6.3 | 8.0 | 1.2 | -4.8 | -0.5 | -0.1 |
| Weighted Mean | 3 | 4 | 20 | 52 | 0 | 48.7 | 45 | 28 | 49 | 4 | 50% | .304 | 10 | 1.48 | 4.26 | 4.19 | 4.78 | 8.0 | 5.0 | 8.6 | 0.7 | 7.0 | 0.9 | 2.1 |
| Breakout Rate | Improve Rate | Collapse Rate | Attrition Rate |
21% |
46% |
25% |
31% |
| Year | W | L | SV | G | GS | IP | H | BB | SO | HR | GB% | BABIP | Stuff | WHIP | ERA | PERA | ERA | H9 | BB9 | K9 | HR9 | VORP | WXRL | WARP |
| 2006 (age 25) | 3 | 4 | 20 | 52 | 0 | 48.7 | 45 | 28 | 49 | 4 | 50% | .304 | 10 | 1.48 | 4.26 | 4.19 | 4.78 | 8.0 | 5.0 | 8.6 | 0.7 | 7.0 | 0.9 | 2.1 |
| 2007 (age 26) | 3 | 4 | 24 | 61 | 0 | 56.3 | 51 | 29 | 53 | 6 | 48% | .290 | 7 | 1.42 | 4.17 | 4.11 | 4.13 | 7.9 | 4.5 | 8.1 | 0.9 | 7.7 | 1.1 | 2.2 |
| 2008 (age 27) | 3 | 5 | 24 | 61 | 0 | 57.3 | 50 | 29 | 54 | 5 | 47% | .286 | 9 | 1.37 | 4.08 | 3.72 | 4.07 | 7.6 | 4.4 | 8.1 | 0.7 | 9.1 | 1.2 | 2.6 |
| 2009 (age 28) | 3 | 4 | 22 | 57 | 0 | 53.3 | 50 | 28 | 52 | 5 | 49% | .303 | 9 | 1.44 | 4.28 | 4.15 | 4.25 | 8.1 | 4.6 | 8.5 | 0.8 | 7.6 | 1.0 | 2.2 |
| 2010 (age 29) | 2 | 3 | 16 | 39 | 0 | 38.0 | 34 | 19 | 36 | 4 | 50% | .288 | 9 | 1.37 | 3.99 | 3.84 | 3.97 | 7.7 | 4.3 | 8.1 | 0.8 | 8.3 | 0.9 | 2.3 |
| Year | WARP | MORP | Mean VORP | Upside |
| 2006 | 2.1 | $2,275,000 | 7.1 | 6.1 |
| 2007 | 2.2 | $2,600,000 | 7.8 | 7.1 |
| 2008 | 2.6 | $3,375,000 | 9.2 | 7.2 |
| 2009 | 2.2 | $2,850,000 | 7.7 | 8.0 |
| 2010 | 2.3 | $3,100,000 | 8.3 | 7.7 |
| Peak | 11.4 | $11,225,000 | 40.0 | 36.1 |
 Stars & Scrubs Chart |
 Career Path Analysis |
 Five-Year Performance |
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 Five-Year Attrition |
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Taking up space on the 40-man roster like a car that's been booted, Jenks missed most of the season with a "stress reaction," the precursor to a stress fracture. It's the second time he's been shelved for this reason, and pins have been inserted into his elbow in hopes that these will hold it together. As in the old TMBG song, Jenks throws sapphire bullets of pure love, topping 102 mph in winter ball. Unfortunately, the speed is as untamed, as 6.2 walks per nine attest. He looked great at Double-A Arkansas in 2003, but he now has three hurdles—personality/maturity, health and control—to jump before he can have a notable major league career. Those are long odds. Claimed on waivers by the White Sox, who haven't had a lot of success turning minor league projects into major league pitchers in recent years. The odds just got longer.
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