| 5/4 | K Farnsworth | 8-T | 1 | 12_ | 3-4 | Kevin Youkilis singled to left (Liner). Jay Payton scored. Mark Bellhorn advanced to 2B. | 3.78 | 0.92 | 56.9 % | .211 | 1.00 | 1 | 0 |
| 6/28 | C Lee | 6-B | 1 | 1__ | 4-5 | Kevin Youkilis doubled to left (Liner). Jay Payton scored. Kevin Youkilis advanced to 3B. | 1.88 | 0.62 | 29.5 % | .198 | 1.41 | 1 | 1 |
| 8/16 | C Dingman | 10-T | 1 | 1__ | 3-3 | Kevin Youkilis singled to center (Liner). Tony Graffanino advanced to 3B. | 3.05 | 0.53 | 50.0 % | .184 | 0.66 | 0 | 0 |
| 5/22 | J Smoltz | 5-B | 2 | 1_3 | 1-2 | Kevin Youkilis singled to left (Liner). David Ortiz scored. Jason Varitek advanced to 2B. | 2.38 | 0.57 | 31.5 % | .109 | 0.93 | 1 | 1 |
| 6/12 | G Rusch | 1-T | 2 | ___ | 0-1 | Kevin Youkilis homered (Fly). | 0.40 | 0.10 | 46.3 % | .103 | 1.00 | 1 | 0 |
| 5/1 | N Regilio | 5-T | 1 | 1_3 | 3-4 | Kevin Youkilis singled to center (Liner). Jason Varitek scored. Edgar Renteria advanced to 2B. | 2.16 | 1.30 | 57.8 % | .080 | 0.73 | 1 | 0 |
| 5/8 | R Franklin | 6-B | 1 | ___ | 1-2 | Kevin Youkilis doubled to left (Fly). | 1.18 | 0.33 | 38.2 % | .068 | 0.44 | 0 | 1 |
| 4/30 | P Astacio | 6-T | 1 | 1__ | 1-5 | Kevin Youkilis doubled to left (Fly). Bill Mueller scored. | 0.70 | 0.63 | 83.8 % | .066 | 1.15 | 1 | 0 |
| 5/4 | N Robertson | 3-T | 0 | 1__ | 1-0 | Kevin Youkilis walked. Mark Bellhorn advanced to 2B. | 1.72 | 0.90 | 43.0 % | .066 | 0.61 | 0 | 0 |
| 6/2 | H Penn | 1-B | 0 | ___ | 0-0 | Kevin Youkilis doubled to center (Liner). | 0.87 | 0.62 | 55.2 % | .054 | 0.64 | 0 | 1 |
| 9/16 | J Kennedy | 7-B | 0 | ___ | 2-2 | Kevin Youkilis walked. | 1.52 | 0.62 | 59.7 % | .054 | 0.41 | 0 | 1 |
| 6/2 | S Reed | 7-B | 1 | 1__ | 3-3 | Kevin Youkilis was hit by a pitch. Mark Bellhorn advanced to 2B. | 1.99 | 0.62 | 59.6 % | .053 | 0.40 | 0 | 1 |
| 9/16 | J Kennedy | 2-B | 1 | _2_ | 0-0 | Kevin Youkilis singled to center (Liner). Kevin Millar advanced to 3B. | 1.20 | 0.77 | 57.1 % | .045 | 0.52 | 0 | 1 |
| 9/11 | R Johnson | 4-T | 0 | ___ | 1-0 | Kevin Youkilis singled to center (Fly). | 1.12 | 0.60 | 38.9 % | .044 | 0.41 | 0 | 0 |
| 5/2 | J Bonderman | 3-T | 0 | ___ | 2-0 | Kevin Youkilis walked. | 0.97 | 0.51 | 28.7 % | .041 | 0.39 | 0 | 0 |
| 5/16 | K Saarloos | 4-T | 0 | 1__ | 0-2 | Kevin Youkilis singled to right (Grounder). Jason Varitek advanced to 2B. | 1.11 | 0.90 | 75.8 % | .041 | 0.61 | 0 | 0 |
| 5/1 | R Drese | 2-T | 1 | 1_3 | 2-0 | Kevin Youkilis walked. Bill Mueller advanced to 2B. | 1.67 | 1.30 | 38.2 % | .037 | 0.40 | 0 | 0 |
| 5/2 | J Bonderman | 4-T | 0 | _2_ | 3-3 | Kevin Youkilis walked. | 1.48 | 1.14 | 57.4 % | .035 | 0.37 | 0 | 0 |
| 4/10 | T Lilly | 4-T | 2 | 1__ | 0-1 | Kevin Youkilis singled to center (Fly). Jay Payton advanced to 3B. | 0.85 | 0.24 | 59.5 % | .027 | 0.28 | 0 | 0 |
| 9/3 | E Bedard | 2-B | 1 | ___ | 0-0 | Kevin Youkilis walked. | 0.69 | 0.33 | 53.1 % | .025 | 0.29 | 0 | 1 |
| 9/13 | S Downs | 2-T | 2 | ___ | 0-0 | Kevin Youkilis doubled to center (Liner). | 0.42 | 0.11 | 45.9 % | .023 | 0.22 | 0 | 0 |
| 5/16 | K Saarloos | 2-T | 2 | 1__ | 0-0 | Kevin Youkilis walked. Trot Nixon advanced to 2B. | 0.84 | 0.23 | 47.3 % | .021 | 0.21 | 0 | 0 |
| 5/4 | N Robertson | 6-T | 2 | ___ | 3-3 | Kevin Youkilis singled to center (Grounder). | 0.66 | 0.11 | 44.1 % | .019 | 0.13 | 0 | 0 |
| 5/8 | J Pineiro | 3-B | 1 | 1__ | 4-1 | Kevin Youkilis singled to center (Grounder). Kevin Millar advanced to 2B. | 0.67 | 0.62 | 82.1 % | .019 | 0.40 | 0 | 1 |
| 4/30 | M Riley | 8-T | 0 | 123 | 2-6 | Kevin Youkilis singled to left (Liner). Jason Varitek scored. Edgar Renteria advanced to 3B. Bill Mueller advanced to 2B. | 0.47 | 2.47 | 96.2 % | .018 | 1.00 | 1 | 0 |
| 4/10 | T Lilly | 2-T | 2 | 1__ | 0-1 | Kevin Youkilis walked. Jason Varitek advanced to 2B. | 0.76 | 0.24 | 57.8 % | .018 | 0.21 | 0 | 0 |
| 4/30 | P Astacio | 2-T | 2 | 1__ | 0-1 | Kevin Youkilis singled to center (Grounder). Bill Mueller advanced to 2B. | 0.77 | 0.28 | 56.3 % | .018 | 0.22 | 0 | 0 |
| 9/2 | T Williams | 8-B | 2 | ___ | 3-6 | Kevin Youkilis walked. | 0.40 | 0.13 | 5.4 % | .016 | 0.14 | 0 | 1 |
| 9/11 | R Johnson | 1-T | 2 | ___ | 0-0 | Kevin Youkilis walked. | 0.42 | 0.13 | 46.0 % | .012 | 0.14 | 0 | 0 |
| 7/9 | B Chen | 7-T | 2 | ___ | 4-1 | Kevin Youkilis walked. | 0.32 | 0.10 | 6.4 % | .012 | 0.13 | 0 | 0 |
| 8/16 | N Robertson | 5-T | 2 | ___ | 0-2 | Kevin Youkilis walked. | 0.34 | 0.11 | 72.2 % | .010 | 0.13 | 0 | 0 |
| 6/12 | G Rusch | 5-T | 2 | ___ | 0-2 | Kevin Youkilis singled to right (Liner). | 0.34 | 0.10 | 72.8 % | .009 | 0.12 | 0 | 0 |
| 6/12 | J Borowski | 7-T | 0 | ___ | 0-5 | Kevin Youkilis doubled to left (Liner). | 0.10 | 0.49 | 97.1 % | .008 | 0.62 | 0 | 0 |
| 5/1 | N Regilio | 7-T | 2 | ___ | 3-6 | Kevin Youkilis walked. | 0.26 | 0.13 | 84.9 % | .007 | 0.14 | 0 | 0 |
| 6/7 | A Reyes | 8-T | 0 | ___ | 9-2 | Kevin Youkilis was hit by a pitch. | 0.06 | 0.51 | 0.4 % | .003 | 0.39 | 0 | 0 |
| 7/9 | T Williams | 9-T | 1 | 1__ | 9-1 | Kevin Youkilis singled to left (Grounder). Trot Nixon advanced to 2B. | 0.01 | 0.52 | 0.0 % | .001 | 0.39 | 0 | 0 |
| 10/2 | F Rodriguez | 6-B | 2 | ___ | 10-1 | Kevin Youkilis walked. | 0.00 | 0.13 | 99.7 % | .000 | 0.14 | 0 | 1 |
| 5/18 | T Harikkala | 8-T | 1 | 1_3 | 13-4 | Kevin Youkilis doubled to left (Liner). Ramon Vazquez scored. Johnny Damon scored. | 0.02 | 1.20 | 0.1 % | .000 | 1.49 | 1 | 0 |
| 7/1 | S Schoeneweis | 8-B | 2 | ___ | 1-15 | Kevin Youkilis grounded out to shortstop (Grounder). | 0.00 | 0.13 | 0.0 % | .000 | -0.13 | 0 | 1 |
| 6/19 | B Meadows | 8-B | 0 | ___ | 8-0 | Kevin Youkilis flied out to center (Fly). | 0.00 | 0.62 | 99.9 % | .000 | -0.28 | 0 | 1 |
| 5/28 | P Quantrill | 7-T | 2 | 1__ | 0-14 | Kevin Youkilis grounded out to catcher (Grounder). | 0.00 | 0.27 | 99.8 % | .000 | -0.27 | 0 | 0 |
| 5/28 | B Groom | 8-T | 2 | 123 | 1-17 | Kevin Youkilis flied out to center (Fly). | 0.00 | 0.84 | 99.9 % | .000 | -0.84 | 0 | 0 |
| 4/30 | C Almanzar | 9-T | 1 | 1__ | 2-9 | Kevin Youkilis flied out to center (Fly). | 0.01 | 0.63 | 99.8 % | .000 | -0.35 | 0 | 0 |
| 6/24 | A Fultz | 9-T | 0 | ___ | 0-6 | Kevin Youkilis lined out to third (Liner). | 0.01 | 0.58 | 99.7 % | .000 | -0.27 | 0 | 0 |
| 5/26 | P Walker | 9-T | 0 | ___ | 8-1 | Kevin Youkilis struck out looking. | 0.03 | 0.52 | 0.1 % | -.001 | -0.24 | 0 | 0 |
| 5/18 | S Etherton | 6-T | 1 | ___ | 10-2 | Kevin Youkilis flied out to second (Fly). | 0.05 | 0.27 | 0.5 % | -.001 | -0.17 | 0 | 0 |
| 6/12 | C Bartosh | 8-T | 0 | 12_ | 1-7 | Kevin Youkilis flied out to right (Liner). | 0.05 | 1.48 | 99.5 % | -.002 | -0.58 | 0 | 0 |
| 6/6 | M Morris | 8-T | 2 | ___ | 5-1 | Kevin Youkilis grounded out to third (Grounder). | 0.12 | 0.11 | 1.5 % | -.003 | -0.11 | 0 | 0 |
| 6/25 | A Fultz | 8-T | 1 | ___ | 1-5 | Kevin Youkilis struck out swinging to catcher. | 0.13 | 0.31 | 95.3 % | -.004 | -0.19 | 0 | 0 |
| 5/8 | J Pineiro | 5-B | 1 | ___ | 6-1 | Kevin Youkilis grounded out to shortstop (Grounder). | 0.14 | 0.33 | 94.5 % | -.004 | -0.20 | 0 | 1 |
| 5/18 | S Etherton | 4-T | 0 | ___ | 9-1 | Kevin Youkilis flied out to right (Fly). | 0.15 | 0.51 | 1.7 % | -.004 | -0.24 | 0 | 0 |
| 5/8 | S Hasegawa | 8-B | 0 | ___ | 6-3 | Kevin Youkilis grounded out to shortstop (Grounder). | 0.15 | 0.62 | 96.7 % | -.004 | -0.28 | 0 | 1 |
| 6/10 | G Maddux | 5-T | 1 | ___ | 7-1 | Kevin Youkilis struck out swinging. | 0.18 | 0.26 | 2.7 % | -.004 | -0.16 | 0 | 0 |
| 5/1 | D Brocail | 9-T | 2 | 1__ | 3-6 | Kevin Youkilis struck out swinging. | 0.20 | 0.28 | 95.0 % | -.006 | -0.28 | 0 | 0 |
| 6/28 | M Miller | 7-B | 1 | ___ | 8-5 | Kevin Youkilis grounded out to shortstop (Grounder). | 0.22 | 0.33 | 92.3 % | -.006 | -0.20 | 0 | 1 |
| 5/22 | M Childers | 7-B | 0 | ___ | 5-2 | Kevin Youkilis flied out to right (Fly). | 0.27 | 0.62 | 93.0 % | -.008 | -0.28 | 0 | 1 |
| 8/16 | N Robertson | 2-T | 2 | ___ | 0-2 | Kevin Youkilis lined out to third (Liner). | 0.33 | 0.11 | 66.9 % | -.009 | -0.11 | 0 | 0 |
| 5/30 | R Lopez | 8-B | 2 | 123 | 1-8 | Kevin Youkilis grounded out to shortstop (Grounder). | 0.31 | 0.85 | 1.1 % | -.009 | -0.85 | 0 | 1 |
| 6/26 | R Cormier | 7-T | 2 | 1__ | 5-8 | Kevin Youkilis struck out swinging. | 0.41 | 0.26 | 86.7 % | -.012 | -0.26 | 0 | 0 |
| 5/18 | S Etherton | 1-T | 1 | ___ | 0-0 | Kevin Youkilis flied out to right (Fly). | 0.62 | 0.27 | 47.8 % | -.016 | -0.17 | 0 | 0 |
| 6/2 | H Penn | 5-B | 0 | ___ | 3-1 | Kevin Youkilis flied out to center (Fly). | 0.65 | 0.62 | 79.5 % | -.018 | -0.28 | 0 | 1 |
| 9/3 | J Julio | 5-B | 2 | __3 | 6-3 | Kevin Youkilis struck out swinging. | 0.71 | 0.41 | 86.1 % | -.021 | -0.41 | 0 | 1 |
| 5/1 | R Drese | 4-T | 1 | ___ | 2-2 | Kevin Youkilis flied out to right (Fly). | 0.80 | 0.34 | 47.1 % | -.022 | -0.20 | 0 | 0 |
| 9/13 | P Walker | 6-T | 2 | 1__ | 6-3 | Kevin Youkilis struck out swinging. | 0.74 | 0.24 | 11.1 % | -.022 | -0.24 | 0 | 0 |
| 4/30 | P Astacio | 4-T | 2 | 1__ | 0-2 | Kevin Youkilis struck out swinging to catcher. | 0.73 | 0.28 | 68.0 % | -.022 | -0.28 | 0 | 0 |
| 5/4 | N Robertson | 4-T | 1 | 1__ | 1-3 | Kevin Youkilis struck out swinging. | 0.93 | 0.53 | 73.2 % | -.022 | -0.30 | 0 | 0 |
| 7/9 | B Chen | 5-T | 0 | ___ | 4-1 | Kevin Youkilis grounded out to second (Grounder). | 0.90 | 0.50 | 15.9 % | -.023 | -0.23 | 0 | 0 |
| 9/13 | S Downs | 5-T | 0 | _2_ | 5-0 | Kevin Youkilis flied out to right (Fly). | 0.78 | 1.15 | 9.4 % | -.023 | -0.45 | 0 | 0 |
| 6/18 | R White | 7-B | 2 | ___ | 0-0 | Kevin Youkilis struck out looking. | 0.86 | 0.13 | 52.3 % | -.023 | -0.13 | 0 | 1 |
| 9/5 | B McCarthy | 1-B | 0 | ___ | 0-0 | Kevin Youkilis grounded out to shortstop (Grounder). | 0.87 | 0.62 | 55.2 % | -.024 | -0.28 | 0 | 1 |
| 9/3 | E Bedard | 2-B | 2 | 1__ | 0-0 | Kevin Youkilis was caught stealing. | 0.84 | 0.28 | 52.5 % | -.025 | -0.28 | 0 | 1 |
| 5/8 | J Pineiro | 1-B | 1 | _2_ | 3-1 | Kevin Youkilis struck out looking to catcher. | 0.86 | 0.77 | 73.0 % | -.026 | -0.40 | 0 | 1 |
| 9/5 | B McCarthy | 5-B | 2 | 1__ | 0-3 | Kevin Youkilis reached on fielder's choice to third (Grounder). Gabe Kapler out at second. | 0.91 | 0.28 | 18.8 % | -.028 | -0.28 | 0 | 1 |
| 9/3 | E Bedard | 4-B | 0 | ___ | 3-3 | Kevin Youkilis flied out to left (Liner). | 1.07 | 0.62 | 56.5 % | -.029 | -0.28 | 0 | 1 |
| 9/5 | B McCarthy | 3-B | 1 | 1__ | 0-0 | Kevin Youkilis struck out looking to catcher. | 1.29 | 0.62 | 56.0 % | -.033 | -0.35 | 0 | 1 |
| 9/5 | C Politte | 8-B | 0 | 1__ | 0-4 | Kevin Youkilis struck out swinging to catcher. | 1.36 | 1.02 | 9.2 % | -.033 | -0.40 | 0 | 1 |
| 6/12 | G Rusch | 3-T | 1 | _2_ | 0-1 | Kevin Youkilis flied out to center (Fly). | 1.20 | 0.67 | 63.4 % | -.034 | -0.35 | 0 | 0 |
| 5/8 | R Franklin | 1-B | 1 | _2_ | 0-0 | Kevin Youkilis grounded out to pitcher (Grounder). | 1.14 | 0.77 | 56.6 % | -.034 | -0.40 | 0 | 1 |
| 5/2 | J Bonderman | 6-T | 0 | ___ | 3-3 | Kevin Youkilis struck out swinging. | 1.34 | 0.51 | 50.0 % | -.034 | -0.24 | 0 | 0 |
| 5/22 | J Smoltz | 2-B | 0 | 1__ | 0-0 | Kevin Youkilis flied out to second (Fly). | 1.40 | 1.02 | 59.1 % | -.035 | -0.40 | 0 | 1 |
| 4/10 | P Walker | 7-T | 0 | ___ | 3-1 | Kevin Youkilis struck out swinging. | 1.35 | 0.52 | 18.6 % | -.035 | -0.24 | 0 | 0 |
| 5/2 | U Urbina | 8-T | 0 | ___ | 5-3 | Kevin Youkilis grounded out to shortstop (Grounder). | 1.46 | 0.51 | 13.6 % | -.037 | -0.24 | 0 | 0 |
| 6/28 | C Lee | 2-B | 2 | __3 | 1-3 | Kevin Youkilis flied out to second (Fly). | 1.31 | 0.41 | 34.7 % | -.039 | -0.41 | 0 | 1 |
| 6/2 | H Penn | 3-B | 1 | _2_ | 1-1 | Kevin Youkilis flied out to right (Fly). | 1.29 | 0.77 | 57.6 % | -.039 | -0.40 | 0 | 1 |
| 6/18 | D Williams | 5-B | 1 | 1__ | 0-0 | Kevin Youkilis struck out swinging. | 1.54 | 0.62 | 57.3 % | -.039 | -0.35 | 0 | 1 |
| 9/16 | J Kennedy | 4-B | 2 | _2_ | 1-2 | Kevin Youkilis struck out swinging. | 1.44 | 0.37 | 42.1 % | -.044 | -0.37 | 0 | 1 |
| 9/11 | R Johnson | 7-T | 0 | ___ | 1-0 | Kevin Youkilis flied out to right (Fly). | 1.71 | 0.60 | 32.7 % | -.046 | -0.28 | 0 | 0 |
| 8/16 | N Robertson | 8-T | 0 | ___ | 2-2 | Kevin Youkilis grounded out to shortstop (Grounder). | 1.85 | 0.51 | 50.0 % | -.047 | -0.24 | 0 | 0 |
| 5/22 | J Smoltz | 3-B | 2 | 12_ | 0-0 | Kevin Youkilis struck out swinging to catcher. | 1.77 | 0.50 | 54.9 % | -.049 | -0.50 | 0 | 1 |
| 5/16 | K Saarloos | 6-T | 0 | 1__ | 4-2 | Kevin Youkilis flied out to right (Fly). | 2.12 | 0.90 | 27.3 % | -.049 | -0.36 | 0 | 0 |
| 7/9 | B Chen | 3-T | 0 | _2_ | 1-0 | Kevin Youkilis flied out to center (Fly). | 1.48 | 1.12 | 45.6 % | -.049 | -0.44 | 0 | 0 |
| 5/8 | R Franklin | 3-B | 2 | 12_ | 0-2 | Kevin Youkilis grounded out to shortstop (Grounder). | 1.85 | 0.50 | 34.3 % | -.051 | -0.50 | 0 | 1 |
| 6/28 | C Lee | 4-B | 2 | 1_3 | 1-3 | Kevin Youkilis flied out to center (Fly). | 2.15 | 0.57 | 33.5 % | -.063 | -0.57 | 0 | 1 |
| 5/8 | R Villone | 7-B | 1 | 12_ | 3-6 | Kevin Youkilis flied out to left (Fly). | 2.77 | 1.03 | 21.2 % | -.067 | -0.53 | 0 | 1 |
| 5/16 | K Yabu | 7-T | 2 | 123 | 4-4 | Kevin Youkilis reached on fielder's choice to shortstop (Liner). Trot Nixon out at second. | 4.79 | 0.78 | 53.3 % | -.121 | -0.78 | 0 | 0 |
| 6/2 | B Ryan | 9-B | 1 | 1__ | 3-4 | Kevin Youkilis struck out swinging to catcher. | 4.97 | 0.62 | 24.1 % | -.126 | -0.35 | 0 | 1 |