| Date | Player | Pos. | Transaction |
| 10/7 | Jolbert Cabrera | SS | Refused Minor League Assignment - Free Agent |
| 10/6 | Jon Adkins | P | Outrighted to Minors |
| 10/6 | Adam Pettyjohn | P | Outrighted to Minors |
| 9/12 | Micah Owings | P | Traded From, Arizona (to complete 8/11 Adam Dunn deal) |
| 9/12 | Brandon Phillips | 2B | Placed on 60-Day DL, (Broken right index finger-out for season) |
| 9/9 | Josh Fogg | P | Placed on 60-Day DL, (Strained right groin) |
| 9/9 | Todd Coffey | P | Designated for Assignment |
| 9/9 | Matt Belisle | P | Placed on 60-Day DL, (Right knee surgery - out for season) |
| 9/9 | Matt Belisle | P | Called Up from Minors |
| 9/9 | Jon Adkins | P | Purchased From Minors |
| 9/9 | Paul Janish | SS | Called Up from Minors |
| 9/9 | Adam Pettyjohn | P | Purchased From Minors |
| 9/9 | Danny Richar | 2B | Called Up from Minors |
| 9/9 | Adam Rosales | SS | Called Up from Minors |
| 9/9 | Daniel Ray Herrera | P | Called Up from Minors |
| 9/8 | Jerry Hairston Jr. | SS | Removed From 15-Day DL, (Strained right hamstring) |
| 9/2 | Jared Burton | P | Recalled From Minors, Rehab Assignment |
| 9/2 | Ramon Ramirez | P | Called Up from Minors |
| 9/2 | Jared Burton | P | Removed From 15-Day DL, (Strained right latissimus muscle) |
| 8/28 | Jared Burton | P | Sent to Minors, For Rehabilitation |
| 8/20 | Jerry Hairston Jr. | SS | Placed on 15-Day DL, (Strained right hamstring) |
| 8/20 | Adam Rosales | SS | Called Up from Minors |
| 8/19 | David Ross | C | Released |
| 8/16 | Adam Rosales | SS | Sent to Minors |
| 8/16 | Joey Votto | 1B | Reinstated from Bereavement List |
| 8/12 | Chris Dickerson | RF | Called Up from Minors |
| 8/10 | Aaron Harang | P | Removed From 15-Day DL, (Strained right forearm) |
| 8/10 | David Ross | C | Designated for Assignment |
| 8/10 | Homer Bailey | P | Sent to Minors |
| 8/10 | Aaron Harang | P | Recalled From Minors, Rehab Assignment |
| 8/10 | Ryan Hanigan | C | Called Up from Minors |
| 8/9 | Joey Votto | 1B | Placed on Bereavement List |
| 8/9 | Adam Rosales | SS | Purchased From Minors |
| 8/6 | Joe Valentine | P | Signed to a Minor League Contract |
| 8/3 | Aaron Harang | P | Sent to Minors, For Rehabilitation |
| 8/1 | Todd Coffey | P | Sent to Minors |
| 8/1 | Jerry Hairston Jr. | SS | Recalled From Minors, Rehab Assignment |
| 8/1 | Jerry Hairston Jr. | SS | Removed From 15-Day DL, (Strained right hamstring) |
| 7/31 | Ryan Freel | CF | Transferred to 60-Day DL, (Hamstring surgery, right knee) |
| 7/31 | Nick Masset | P | Traded From, Chi. White Sox (w/2B Danny Richar for OF Ken Griffey Jr.) |
| 7/29 | Jerry Hairston Jr. | SS | Sent to Minors, For Rehabilitation |
| 7/19 | Todd Coffey | P | Called Up from Minors |
| 7/19 | Jared Burton | P | Placed on 15-Day DL, (Strained right latissimus muscle) |
| 7/17 | Jolbert Cabrera | SS | Recalled From Minors, Rehab Assignment |
| 7/17 | Bobby Livingston | P | Sent to Minors |
| 7/17 | Bobby Livingston | P | Removed From 60-Day DL, (Recovery from left shoulder surgery) |
| 7/17 | Bobby Livingston | P | Recalled From Minors, Rehab Assignment |
| 7/17 | Norris Hopper | CF | Transferred to 60-Day DL, (Right elbow surgery - out for season) |
| 7/17 | Jerry Hairston Jr. | SS | Placed on 15-Day DL, (Strained right hamstring) |
| 7/17 | Jolbert Cabrera | SS | Removed From 15-Day DL, (Compound dislocation, left index finger) |
| 7/13 | Aaron Harang | P | Placed on 15-Day DL, (Strained right forearm) |
| 7/13 | Homer Bailey | P | Called Up from Minors |
| 7/9 | Jolbert Cabrera | SS | Sent to Minors, For Rehabilitation |
| 7/5 | Josh Fogg | P | Recalled From Minors, Rehab Assignment |
| 7/5 | Josh Fogg | P | Removed From 15-Day DL, (Lumbar back spasms) |
| 7/5 | Norris Hopper | CF | Placed on 15-Day DL, (Right elbow surgery - out for season) |
| 7/3 | Daryl Thompson | P | Sent to Minors |
| 7/3 | Andy Phillips | 1B | Acquired Off Waivers From, NY Mets |
| 6/28 | Rob Mackowiak | LF | Signed to a Minor League Contract |
| 6/26 | Jerry Hairston Jr. | SS | Recalled From Minors, Rehab Assignment |
| 6/26 | Jerry Hairston Jr. | SS | Removed From 15-Day DL, (Fractured left thumb) |
| 6/26 | Paul Janish | SS | Sent to Minors |
| 6/23 | Jerry Hairston Jr. | SS | Sent to Minors, For Rehabilitation |
| 6/22 | Jeff Keppinger | SS | Removed From 15-Day DL, (Fractured left kneecap - out 4-6 weeks) |
| 6/22 | Jeff Keppinger | SS | Recalled From Minors, Rehab Assignment |
| 6/22 | Andy Phillips | 1B | Designated for Assignment |
| 6/21 | Daryl Thompson | P | Called Up from Minors |
| 6/21 | Jolbert Cabrera | 3B | Placed on 15-Day DL, (Compound dislocation, left index finger) |
| 6/20 | Bobby Livingston | P | Sent to Minors, For Rehabilitation |
| 6/18 | Norris Hopper | CF | Removed From 15-Day DL, (Right elbow inflammation) |
| 6/18 | Norris Hopper | CF | Recalled From Minors, Rehab Assignment |
| 6/18 | Homer Bailey | P | Sent to Minors |
| 6/14 | Danny Herrera | P | Sent to Minors |
| 6/14 | Gary Majewski | P | Reinstated from Bereavement List |
| 6/11 | Josh Fogg | P | Sent to Minors, For Rehabilitation |
| 6/10 | Jerry Hairston Jr. | SS | Placed on 15-Day DL, (Fractured left thumb) |
| 6/10 | Danny Herrera | P | Called Up from Minors |
| 6/10 | Norris Hopper | CF | Sent to Minors, For Rehabilitation |
| 6/10 | Gary Majewski | P | Placed on Bereavement List |
| 6/10 | Jolbert Cabrera | 3B | Purchased From Minors |
| 6/10 | Jeff Keppinger | SS | Sent to Minors, For Rehabilitation |
| 6/5 | Scott Hatteberg | 1B | Released |
| 6/5 | Homer Bailey | P | Called Up from Minors |
| 6/5 | Danny Herrera | P | Sent to Minors |
| 6/4 | Corey Patterson | CF | Called Up from Minors |
| 6/4 | Drew Anderson | LF | Called Up from Minors, - Not to Report |
| 6/4 | Ryan Freel | CF | Placed on 15-Day DL, (Strained right hamstring) |
| 6/4 | Drew Anderson | LF | Outrighted to Minors |
| 6/3 | Kent Mercker | P | Placed on 60-Day DL, (Recurring lower back pain) |
| 6/3 | Danny Herrera | P | Purchased From Minors |
| 6/1 | Josh Fogg | P | Placed on 15-Day DL, (Lumbar back spasms) |
| 6/1 | Gary Majewski | P | Called Up from Minors |
| 5/30 | Tom Shearn | P | Released, (sold to Samsung Lions (Korean League)) |
| 5/29 | Matt Belisle | P | Sent to Minors |
| 5/29 | Kent Mercker | P | Recalled From Minors, Rehab Assignment |
| 5/29 | Kent Mercker | P | Removed From 15-Day DL, (Lower back pain) |
| 5/28 | Corey Patterson | CF | Sent to Minors |
| 5/28 | Alex Gonzalez | SS | Transferred to 60-Day DL, (Compression fracture, left knee) |
| 5/28 | Andy Phillips | 1B | Purchased From Minors |
| 5/27 | Jay Bruce | RF | Purchased From Minors |
| 5/27 | Scott Hatteberg | 1B | Designated for Assignment |
| 5/24 | Justin Lehr | P | Released, (sold to Doosan Bears (Korean League)) |
| 5/22 | Kent Mercker | P | Sent to Minors, For Rehabilitation |
| 5/14 | Jeff Keppinger | SS | Placed on 15-Day DL, (Fractured left kneecap - out 4-6 weeks) |
| 5/14 | Paul Janish | SS | Called Up from Minors |
| 5/9 | Bill Bray | P | Called Up from Minors |
| 5/9 | Kent Mercker | P | Placed on 15-Day DL, (Lower back pain) |
| 5/6 | Scott Sauerbeck | P | Released |
| 5/5 | David Weathers | P | Recalled From Minors, Rehab Assignment |
| 5/5 | Bill Bray | P | Sent to Minors |
| 5/5 | David Weathers | P | Removed From 15-Day DL, (Ulnar nerve irritation, right elbow) |
| 4/29 | David Weathers | P | Sent to Minors, For Rehabilitation |
| 4/28 | Todd Coffey | P | Sent to Minors |
| 4/28 | Bill Bray | P | Called Up from Minors |
| 4/23 | Norris Hopper | CF | Placed on 15-Day DL, (Right elbow inflammation) |
| 4/23 | David Ross | C | Recalled From Minors, Rehab Assignment |
| 4/23 | David Ross | C | Removed From 15-Day DL, (Back spasms) |
| 4/21 | Matt Belisle | P | Recalled From Minors, Rehab Assignment |
| 4/21 | Matt Belisle | P | Removed From 15-Day DL, (Right forearm soreness) |
| 4/21 | Juan Castro | SS | Designated for Assignment |
| 4/21 | Jerry Hairston Jr. | CF | Purchased From Minors |
| 4/20 | David Weathers | P | Placed on 15-Day DL, (Ulnar nerve irritation, right elbow) |
| More Transactions |
| Posted Thu Oct 09 15:25:54 EDT 2008 |