Daisuke Matsuzaka
| 27-year-old Pitcher |
| Boston Red Sox |
| Date of Birth: September 13, 1980 |
| Height: 6-1 Weight: 190 |
| Bats/Throws: R/R |
Basic Statistics
| Basic Statistics | ||||||||||||||||||
| Year | Age | Team | G | W | L | IP | TBF | H | 2B | 3B | HR | R | ER | BB | K | ERA | RA9 | |
| 2005 | 24 | Intl | Seibu | 28 | 14 | 13 | 215.0 | 852 | 172 | 13 | 63 | 55 | 49 | 226 | 2.30 | 2.64 | ||
| 2007 | 26 | MLB | Boston | 32 | 15 | 12 | 204.2 | 874 | 191 | 42 | 3 | 25 | 100 | 100 | 80 | 201 | 4.40 | 4.40 |
| 2008 | 27 | MLB | Boston | 8 | 6 | 0 | 47.2 | 198 | 28 | 9 | 0 | 3 | 13 | 13 | 30 | 40 | 2.45 | 2.45 |
| Extended Statistics | ||||||||||
| Year | Age | Team | BB/PA | K/PA | BABIP | GB% | HR/Air | FIP | BsRA9 | |
| 2005 | 24 | Intl | Seibu | 5.8% | 26.5% | .0 | 2.57 | |||
| 2007 | 26 | MLB | Boston | 9.2% | 23.0% | .302 | 40% | 7% | 4.30 | 4.52 |
| 2008 | 27 | MLB | Boston | 15.2% | 20.2% | .205 | 35% | 4% | 4.10 | 2.91 |
Longitudinal Trends

The above graph represents 15-day averages over the past couple years.
Available graphs for Matsuzaka: BB/PA, SO/PA, and ERA
Extended Statistics
| Split Statistics with Boston in 2008 | |||||||
| Split | IP | TBF | BB/PA | K/PA | BABIP | GB% | ERA |
| March | 5.0 | 23 | 21.7% | 26.1% | .100 | 45% | 3.60 |
| April | 30.2 | 121 | 11.6% | 21.5% | .208 | 38% | 2.35 |
| May | 12.0 | 54 | 20.4% | 14.8% | .229 | 22% | 2.25 |
| AWAY | 23.2 | 98 | 16.3% | 23.5% | .179 | 33% | 2.28 |
| HOME | 24.0 | 100 | 14.0% | 17.0% | .227 | 36% | 2.63 |
Batted Ball Chart
Game Log
| Date | Level | IP | R | ER | H | 2B | 3B | HR | SO | BB | |
| May 10 | MLB | @ Minnesota | 7.0 | 2 | 2 | 6 | 1 | 0 | 0 | 7 | 3 |
| May 5 | MLB | @ Detroit | 5.0 | 1 | 1 | 2 | 0 | 0 | 0 | 1 | 8 |
| April 30 | MLB | vs. Toronto | 7.0 | 0 | 0 | 2 | 1 | 0 | 0 | 4 | 2 |
| April 18 | MLB | vs. Texas | 5.1 | 3 | 3 | 5 | 4 | 0 | 1 | 4 | 2 |
| April 13 | MLB | vs. NY Yankees | 5.0 | 4 | 4 | 5 | 3 | 0 | 0 | 2 | 6 |
| April 8 | MLB | vs. Detroit | 6.2 | 0 | 0 | 4 | 0 | 0 | 0 | 7 | 4 |
| April 1 | MLB | @ Oakland | 6.2 | 1 | 1 | 2 | 0 | 0 | 1 | 9 | 0 |
| March 25 | MLB | @ Oakland | 5.0 | 2 | 2 | 2 | 0 | 0 | 1 | 6 | 5 |
Player Notes
May 2008
MVN: Fire Brand of the American League: Matsuzaka wins despite walking too manyMVN: Fire Brand of the American League: Can Matsuzaka Reach Ace Status?
Daisuke Matsuzaka came to the United States with the reputation and hype of an Ace.
