Who is in their Age 27 season? Courtesy of Baseball Prospectus' Player Forecast Manager, we can know which players will be playing the 2009 baseball season with that in their pocket. This list includes just those players PECOTA determines to have positive value in a 12-team mixed leage with a 23-man roster. The projected PECOTA stats for each player are also provided.
| PLAYER | AGE | HR/W | RBI/SV | R/K | SB/ERA | AVG/WHIP |
|---|---|---|---|---|---|---|
| Kinsler Ian | 27 | 22 | 89 | 102 | 25 | 0.284 |
| Harden Rich | 27 | 11 | 0 | 193 | 3.04 | 1.12 |
| Rodriguez Francisco | 27 | 5 | 42 | 78 | 2.74 | 1.21 |
| McLouth Nathan | 27 | 23 | 83 | 98 | 21 | 0.285 |
| Hart Corey | 27 | 23 | 86 | 91 | 23 | 0.289 |
| Crawford Carl | 27 | 11 | 61 | 86 | 34 | 0.276 |
| Gonzalez Adrian | 27 | 27 | 100 | 84 | 1 | 0.277 |
| Johnson Kelly | 27 | 17 | 73 | 90 | 11 | 0.287 |
| Ramirez Alexei | 27 | 19 | 78 | 77 | 14 | 0.289 |
| Ethier Andre | 27 | 17 | 82 | 86 | 7 | 0.292 |
| Shields James | 27 | 13 | 0 | 147 | 3.92 | 1.25 |
| Jackson Conor | 27 | 16 | 74 | 82 | 7 | 0.295 |
| Taveras Willy | 27 | 1 | 32 | 68 | 48 | 0.282 |
| Kouzmanoff Kevin | 27 | 22 | 86 | 72 | 2 | 0.275 |
| Cantu Jorge | 27 | 21 | 80 | 68 | 4 | 0.269 |
| Peralta Jhonny | 27 | 18 | 75 | 69 | 3 | 0.261 |
| Napoli Michael | 27 | 25 | 72 | 63 | 6 | 0.24 |
| Wilson Brian | 27 | 3 | 33 | 56 | 3.92 | 1.41 |
| Hanrahan Joel | 27 | 3 | 32 | 50 | 4.28 | 1.44 |
| Perez Oliver | 27 | 11 | 0 | 171 | 4.26 | 1.38 |
| Baker Scott | 27 | 11 | 0 | 130 | 4.28 | 1.33 |
| McGowan Dustin | 27 | 9 | 0 | 131 | 4.34 | 1.37 |
| Wainwright Adam | 27 | 8 | 0 | 95 | 4.01 | 1.34 |
| Maholm Paul | 27 | 10 | 0 | 118 | 4.36 | 1.41 |
| Francisco Ben | 27 | 13 | 57 | 56 | 8 | 0.26 |
| Kuo Hong-Chih | 27 | 4 | 2 | 73 | 3.43 | 1.27 |
| Kubel Jason | 27 | 16 | 72 | 60 | 4 | 0.265 |
| Murphy David | 27 | 14 | 64 | 61 | 7 | 0.26 |
| Betancourt Yuniesky | 27 | 8 | 57 | 53 | 5 | 0.272 |
| Dickerson Chris | 27 | 13 | 43 | 54 | 14 | 0.247 |
| Perez Rafael | 27 | 4 | 2 | 59 | 3.37 | 1.28 |