| Player | Pos | Age | Org | Level | 1966 Salary | Notes | PA/IP | HR/W | SB/L | RBI/SV | AVG/ERA | OPS/WHIP |
| Dennis Adams | C | 29 | Bir | ML | $60,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Jerry Adams | MR | 29 | Sea | ML | $17,360 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Jared Angrove | MR | 34 | Den | ML | $18,700 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Bob Arnold | CL | 25 | Sea | ML | $16,639 | Needs 88 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Dudley Barnett | LF | 31 | Pro | ML | $37,000 | Needs 69 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Ron Barrett | SP | 34 | Oak | ML | $15,000 | Needs 160 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Kyle Belcham | MR | 32 | Buf | ML | $44,760 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| José Benavides | RF | 40 | Hou | ML | $50,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| John Bernard | SP | 34 | Tam | ML | $77,990 | Only if mutual option is not picked up | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Keith Brannon | LF | 35 | Mia | ML | $15,000 | Needs 27 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Mike Bray | C | 32 | Por | ML | $12,080 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Phil Briggs | SP | 26 | Pro | ML | $34,000 | Needs 139 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Tim Campbell | SP | 30 | Col | ML | $24,000 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Larry Cannon | MR | 33 | Sea | ML | $15,975 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Ignacio Cisneros | RF | 32 | Ind | ML | $24,360 | | 0 | 0 | 0 | 0 | .000 | .000 |
| George Clifton | 2B | 34 | SD | ML | $36,000 | Needs 89 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Jeff Collins | LF | 33 | Pro | ML | $117,830 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Don Cooper | 1B | 33 | Bir | ML | $100,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Garry Cox | MR | 28 | SD | ML | $25,700 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Sam Crawford | SP | 34 | Mia | ML | $26,500 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Wilson Cruz | SP | 34 | Ind | ML | $16,500 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Lorenzo Díaz | CF | 34 | Ric | ML | $86,570 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Patrick Douglas | LF | 37 | Sea | ML | $10,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Ralph Durham | SP | 28 | Mia | ML | $27,000 | Needs 171 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Raúl Encarnación | SP | 31 | Den | ML | $17,584 | Needs 105 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Marcos Espinoza | 3B | 28 | Tam | ML | $46,000 | Needs 29 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Andrew Farr | SS | 32 | Sea | ML | $22,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Bob Fowler | LF | 34 | Sea | ML | $44,480 | Only if player option is not picked up | 0 | 0 | 0 | 0 | .000 | .000 |
| Arturo Franco | 1B | 33 | Sea | ML | $70,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Cody Frey | C | 31 | Tuc | ML | $15,000 | Needs 99 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| José Gallegos | LF | 28 | Min | ML | $57,660 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Juan Garza | RF | 33 | NO | ML | $20,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Augusto Germán | RF | 30 | Min | ML | $34,360 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Richard Gill | C | 36 | Mia | ML | $24,420 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Ricardo Gómez | 2B | 27 | Tam | ML | $45,000 | Needs 171 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| John Grimes | SP | 37 | Ric | ML | $29,647 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Charlie Hall | MR | 32 | Min | ML | $38,510 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Holden Hall | LF | 35 | Sea | ML | $32,500 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Roger Hall | RF | 32 | Tam | ML | $21,000 | Needs 128 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Derrick Hastings | C | 36 | Ind | ML | $15,000 | Needs 42 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Andy Hill | CL | 31 | Den | ML | $37,120 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Ernesto Hinojosa | MR | 33 | Roc | ML | $44,000 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| David Holcombe | MR | 35 | Tuc | ML | $23,440 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Bill Hubbard | MR | 32 | Sea | ML | $10,000 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Greg Hughes | SP | 31 | Buf | ML | $60,000 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Pedro Ibarra | SP | 32 | SD | ML | $48,440 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Toshiro Ito | SS | 37 | Roc | ML | $26,500 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Duncan Jackson | MR | 37 | Ind | ML | $16,500 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Bill Jacobs | SP | 37 | Sea | ML | $35,500 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Matt Jenkins | CF | 32 | Den | ML | $96,650 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Victor Jewell | MR | 38 | Oak | ML | $30,000 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Chris Johnson | SP | 28 | Sea | ML | $56,100 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Tommy Jones | LF | 30 | Col | ML | $47,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Dave Jordan | LF | 37 | Den | ML | $77,300 | Only if player option is picked up | 0 | 0 | 0 | 0 | .000 | .000 |
| Ed Jordan | C | 35 | SD | ML | $19,240 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Izo Kato | C | 28 | Oak | ML | $29,298 | Needs 171 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Will Krieger | LF | 33 | Hou | ML | $20,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Luis López | 3B | 36 | SD | ML | $135,500 | | 0 | 0 | 0 | 0 | .000 | .000 |
| David Marquis | 1B | 34 | Buf | ML | $120,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Artie Martin | SP | 31 | Roc | ML | $29,500 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Rob Martin | MR | 36 | Bir | ML | $75,153 | Only if mutual option is not picked up | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Ryan Martin | RF | 28 | Col | ML | $15,000 | Needs 41 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Carlos Martínez | SP | 29 | Roc | ML | $30,879 | Needs 139 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Manny Martínez | SP | 34 | NO | ML | $50,000 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Raúl Martínez | 3B | 29 | Min | ML | $42,020 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Waylon Mason | 1B | 31 | Ric | ML | $45,840 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Max McDermott | SP | 35 | Buf | AAA | $30,000 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Desiderio Merlin | 1B | 35 | Mia | ML | $15,000 | Needs 25 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Eric Miller | MR | 36 | Den | ML | $32,420 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Lonnie Monroe | CF | 30 | Hou | ML | $43,710 | Needs 59 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Peyton Moore | SP | 26 | Pro | ML | $26,000 | Needs 171 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Mark Muńóz | LF | 29 | SD | ML | $32,130 | Needs 139 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Blake O'Neil | LF | 36 | Tuc | ML | $130,000 | Only if mutual option is not picked up | 0 | 0 | 0 | 0 | .000 | .000 |
| José Ocascio | RF | 28 | Min | ML | $19,920 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Alfonso Ortíz | 3B | 39 | Tuc | ML | $30,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Joe Owens | C | 33 | Pro | ML | $15,000 | Needs 139 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Blair Pascoe | RF | 36 | Oak | ML | $15,000 | Needs 84 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| César Perales | SP | 34 | Por | ML | $15,000 | Needs 146 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Josh Peterson | 3B | 29 | Por | ML | $18,870 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Bill Porter | SP | 36 | Bir | ML | $100,000 | Only if mutual option is not picked up | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Elroy Porter | LF | 34 | Tam | ML | $10,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Kyle Raymond | MR | 35 | Tuc | ML | $15,000 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Jason Robison | LF | 36 | Hou | ML | $40,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Andrew Rodgers | SP | 35 | Roc | AAA | $28,050 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Pablo Rosado | 1B | 30 | Tam | ML | $36,640 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Rich Ross | 2B | 30 | Sea | ML | $75,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Austin Savage | SS | 34 | Oak | ML | $18,640 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Fraser Scott | MR | 29 | Hou | ML | $18,000 | Needs 49 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Nick Shaffer | CF | 29 | SD | ML | $30,826 | Needs 75 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Jeff Smith | MR | 34 | Min | ML | $28,510 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Júlio Solíz | MR | 33 | Buf | AAA | $30,000 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Marvin Tucker | CL | 35 | Ind | ML | $22,000 | Needs 52 more days for FA | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Claudio Valentín | 3B | 30 | Mia | ML | $100,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Darryl Vaughn | CF | 30 | Bir | ML | $25,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Fernando Vega | MR | 40 | Roc | ML | $25,140 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Michaël Viau | MR | 34 | Bir | ML | $31,050 | Only if mutual option is not picked up | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Brent Vinson | MR | 33 | Por | ML | $22,138 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| John Wagner | RF | 30 | Mia | ML | $15,000 | Needs 8 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Ben Walters | SP | 34 | Ric | ML | $17,975 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Lee Ward | 2B | 32 | Buf | ML | $30,000 | | 0 | 0 | 0 | 0 | .000 | .000 |
| Robbie Webb | C | 29 | NO | ML | $80,000 | Needs 68 more days for FA | 0 | 0 | 0 | 0 | .000 | .000 |
| Matt Williamson | MR | 35 | SD | ML | $18,975 | | 0.0 | 0 | 0 | 0 | 0.00 | 0.00 |
| Quincy Woods | CF | 31 | Por | ML | $19,650 | | 0 | 0 | 0 | 0 | .000 | .000 |
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