Search Results
| Date | Team | Acquired | Relinquished | Notes |
| 2007-08-17 | Red Sox | • Clay Buchholz | purchased contract from AAA | |
| 2007-08-18 | Red Sox | • Clay Buchholz | optioned to AAA | |
| 2007-09-01 | Red Sox | • Clay Buchholz | called up from AAA | |
| 2007-09-05 | Red Sox | • Clay Buchholz | elbow injury (DTD) | |
| 2007-09-06 | Red Sox | • Clay Buchholz | returned to lineup | |
| 2008-05-14 | Red Sox | • Clay Buchholz | placed on 15-day DL with broken nail on right middle finger | |
| 2008-05-25 | Red Sox | • Clay Buchholz | assigned to minors for rehab | |
| 2008-05-31 | Red Sox | • Clay Buchholz | optioned to AAA | |
| 2008-05-31 | Red Sox | • Clay Buchholz | activated from 15-day DL | |
| 2008-05-31 | Red Sox | • Clay Buchholz | called up from minor league rehab | |
| 2008-07-11 | Red Sox | • Clay Buchholz | called up from AAA | |
| 2008-08-20 | Red Sox | • Clay Buchholz | optioned to AA / AAA | |
| 2009-04-04 | Red Sox | • Clay Buchholz | optioned to AAA | |
| 2009-07-17 | Red Sox | • Clay Buchholz | called up from AAA | |
| 2009-07-18 | Red Sox | • Clay Buchholz | optioned to AAA | |
| 2009-07-21 | Red Sox | • Clay Buchholz | called up from AAA | |
| 2010-07-05 | Red Sox | • Clay Buchholz | placed on 15-day DL with strained left hamstring | |
| 2010-07-21 | Red Sox | • Clay Buchholz | activated from 15-day DL | |
| 2010-10-02 | Red Sox | • Clay Buchholz | sore lower back (out for season) | |
| 2011-04-30 | Red Sox | • Clay Buchholz | stomach virus (DTD) | |
| 2011-05-02 | Red Sox | • Clay Buchholz | returned to lineup | |
| 2011-06-04 | Red Sox | • Clay Buchholz | back injury (DTD) | |
| 2011-06-10 | Red Sox | • Clay Buchholz | returned to lineup | |
| 2011-06-17 | Red Sox | • Clay Buchholz | back injury (DTD) | |
| 2011-06-19 | Red Sox | • Clay Buchholz | placed on 15-day DL with strained lower back |
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