Joan Guerrero
Basic Statistics
| Basic Statistics |
| Year | Age | | Team | G | W | L | IP | TBF | H | 2B | 3B | HR | R | ER | BB | K | ERA | WHIP | RA9 |
| 2008 | | Rookie | DSL Devil Rays | 13 | 3 | 4 | 33.1 | 155 | 33 | 11 | 1 | 0 | 19 | 11 | 23 | 19 | 2.97 | 1.68 | 5.13 |
| 2009 | 18 | Rookie | DSL Devil Rays | 15 | 1 | 3 | 50.2 | 245 | 67 | 15 | 1 | 3 | 43 | 33 | 30 | 35 | 5.86 | 1.91 | 7.64 |
| Extended Statistics |
| Year | Age | | Team | BB/PA | K/PA | BABIP | GB% | HR/Air | FIP | BsRA9 |
| 2008 | | Rookie | DSL Devil Rays | 14.8% | 12.3% | .303 | 38% | 0% | 4.28 | 4.50 |
| 2009 | 18 | Rookie | DSL Devil Rays | 12.2% | 14.3% | .372 | 43% | 3% | 4.65 | 6.96 |
Extended Statistics
2009: DSL Devil Rays | 2008: DSL Devil Rays
| Split Statistics with DSL Devil Rays in 2009 |
| Split | IP | TBF | BB/PA | K/PA | BABIP | GB% | ERA |
| June | 20.2 | 100 | 12.0% | 18.0% | .418 | 37% | 6.53 |
| July | 20.0 | 97 | 10.3% | 15.5% | .353 | 47% | 5.85 |
| August | 10.0 | 48 | 16.7% | 4.2% | .324 | 47% | 4.50 |
| AWAY | 26.0 | 122 | 13.9% | 11.5% | .353 | 42% | 5.54 |
| HOME | 24.2 | 123 | 10.6% | 17.1% | .391 | 43% | 6.20 |
