| 06/15/1901 | Drafted in the 1901 first-year player draft (Round 1, Pick 8, 8th overall pick) by the Detroit Tigers. |
| 06/18/1901 | Signed a minor league contract with the Detroit Tigers organization with a signing bonus of $1,754. |
| 09/01/1901 | Wins the NBLAAA NL Pitcher of the Month Award. |
| 01/01/1902 | OSA scouting updated ratings (potential): Stuff: 6 (7); Movement: 19 (19); Control: 10 (11). |
| 04/17/1902 | Named the #2 prospect in the NBL |
| 05/28/1902 | Pitches a 4-hit shutout against the Milwaukee Brewers with 2 strikeouts and 1 BB allowed! |
| 06/14/1902 | Pitches a 6-hit shutout against the Baltimore Orioles with 1 strikeouts and 4 BB allowed! |
| 08/01/1902 | Wins the NBL AL Pitcher of the Month Award. |
| 08/01/1902 | Wins the NBL AL Rookie of the Month Award. |
| 09/21/1902 | Pitches a 4-hit shutout against the Chicago White Sox with 2 strikeouts and 1 BB allowed! |
| 10/15/1902 | Wins the 1902 NBL AL Rookie of the Year Award. |
| 11/08/1902 | Received a 1-year contract worth a total of $497 through automatic renewal. |
| 01/01/1903 | OSA scouting updated ratings (potential): Stuff: 7 (7); Movement: 20 (20); Control: 10 (11). |
| 04/22/1903 | Pitches a 5-hit shutout against the Cleveland Naps with 9 strikeouts and 2 BB allowed! |
| 04/28/1903 | Injured (virus), out for 4 days. |
| 05/24/1903 | Pitches a 3-hit shutout against the Washington Senators with 4 strikeouts and 3 BB allowed! |
| 07/08/1903 | Pitches a 3-hit shutout against the Washington Senators with 5 strikeouts and 2 BB allowed! |
| 10/31/1903 | Received a 1-year contract worth a total of $526 through automatic renewal. |
| 01/01/1904 | OSA scouting updated ratings (potential): Stuff: 7 (7); Movement: 20 (20); Control: 10 (10). |
| 04/22/1904 | Pitches a 6-hit shutout against the St. Louis Browns with 6 strikeouts and 2 BB allowed! |
| 06/10/1904 | Pitches a 5-hit shutout against the Washington Senators with 3 strikeouts and 1 BB allowed! |
| 07/01/1904 | Wins the NBL AL Pitcher of the Month Award. |
| 11/12/1904 | Received a 1-year contract worth a total of $836 through arbitration. |
| 01/01/1905 | OSA scouting updated ratings (potential): Stuff: 7 (7); Movement: 20 (20); Control: 10 (10). |
| 10/19/1905 | Wins the 1905 NBL AL Gold Glove Award at P. |
| 11/09/1905 | Received a 1-year contract worth a total of $1,180 through arbitration. |
| 01/01/1906 | OSA scouting updated ratings (potential): Stuff: 6 (7); Movement: 20 (20); Control: 11 (11). |
| 06/21/1906 | Pitches a 4-hit shutout against the Cleveland Naps with 1 strikeouts and 1 BB allowed! |
| 11/06/1906 | Received a 1-year contract worth a total of $1,600 through arbitration. |
| 01/01/1907 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 20 (20); Control: 12 (13). |
| 07/04/1907 | Pitches a 6-hit shutout against the St. Louis Browns with 5 strikeouts and 2 BB allowed! |
| 11/07/1907 | Received a 1-year contract worth a total of $2,000 through arbitration. |
| 01/01/1908 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 20 (20); Control: 13 (14). |
| 05/28/1908 | Signed a 5-year contract extension worth a total of $12,250 with the Detroit Tigers organization. |
| 05/31/1908 | Pitches a 6-hit shutout against the Chicago White Sox with 0 strikeouts and 1 BB allowed! |
| 08/01/1908 | Pitches a 6-hit shutout against the Boston Red Sox with 2 strikeouts and 4 BB allowed! |
| 09/08/1908 | Pitches a 1-hit shutout against the Chicago White Sox with 5 strikeouts and 4 BB allowed! |
| 01/01/1909 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 20 (20); Control: 12 (13). |
| 06/14/1909 | Pitches a 4-hit shutout against the Washington Senators with 6 strikeouts and 0 BB allowed! |
| 06/21/1909 | Wins the NBL AL Player of the Week Award. |
| 07/12/1909 | Pitches a 4-hit shutout against the Philadelphia Athletics with 4 strikeouts and 1 BB allowed! |
| 08/20/1909 | Pitches a 5-hit shutout against the Washington Senators with 3 strikeouts and 2 BB allowed! |
| 10/16/1909 | Wins the 1909 NBL AL Gold Glove Award at P. |
| 01/01/1910 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 19 (19); Control: 11 (12). |
| Year | SH | Rank | | 1903 | 25 | 5 | | 1904 | 25 | 3 | | 1905 | 16 | 9 | | 1908 | 18 | 8 | | 1909 | 16 | 8 | | | Year | G | Rank | | 1902 | 38 | 7 | | 1903 | 41 | 6 | | 1904 | 45 | 6 | | 1908 | 43 | 4 | | 1909 | 55 | 1 | | | Year | GS | Rank | | 1902 | 38 | 7 | | 1903 | 41 | 6 | | 1904 | 45 | 6 | | 1908 | 43 | 4 | | 1909 | 55 | 1 | | | Year | W | Rank | | 1902 | 25 | 5 | | 1904 | 22 | 10 | | 1909 | 25 | 4 | | | Year | L | Rank | | 1903 | 23 | 2 | | 1904 | 21 | 6 | | 1908 | 29 | 1 | | 1909 | 25 | 2 | |
| Year | Winning % | Rank | | 1902 | .694 | 3 | | 1907 | .600 | 7 | | | Year | HLD | Rank | | 1902 | 0 | 3 | | 1903 | 0 | 2 | | 1904 | 0 | 2 | | 1905 | 0 | 2 | | 1906 | 0 | 2 | | 1907 | 0 | 2 | | 1908 | 0 | 3 | | 1909 | 0 | 5 | | | Year | IP | Rank | | 1902 | 335.0 | 7 | | 1903 | 331.2 | 9 | | 1904 | 385.2 | 8 | | 1908 | 370.2 | 5 | | 1909 | 457.0 | 2 | | | Year | BF | Rank | | 1902 | 1429 | 7 | | 1903 | 1443 | 8 | | 1904 | 1636 | 8 | | 1908 | 1585 | 4 | | 1909 | 1919 | 1 | | | Year | BB | Rank | | 1902 | 112 | 2 | | 1903 | 121 | 1 | | 1904 | 146 | 1 | | 1905 | 109 | 9 | | 1908 | 107 | 5 | | 1909 | 159 | 1 | |
| Year | K | Rank | | 1902 | 139 | 6 | | 1903 | 170 | 5 | | 1904 | 221 | 2 | | | Year | WP | Rank | | 1902 | 13 | 1 | | 1903 | 11 | 1 | | 1904 | 9 | 8 | | 1908 | 9 | 8 | | 1909 | 9 | 9 | | | Year | ERA | Rank | | 1902 | 2.12 | 3 | | 1909 | 1.87 | 9 | | | Year | BABIP | Rank | | 1902 | .265 | 7 | | 1906 | .257 | 4 | | |
| | | Year | HR/9 | Rank | | 1904 | 0.00 | 1 | | 1905 | 0.03 | 4 | | 1908 | 0.00 | 1 | | 1909 | 0.02 | 6 | | | Year | H/9 | Rank | | 1902 | 8.25 | 3 | | 1906 | 7.83 | 8 | | | Year | K/9 | Rank | | 1902 | 3.73 | 8 | | 1903 | 4.61 | 6 | | 1904 | 5.16 | 5 | | | Year | VORP | Rank | | 1902 | 60.9 | 4 | | 1909 | 73.3 | 3 | |
| Year | QS | Rank | | 1902 | 29 | 7 | | 1904 | 37 | 5 | | 1909 | 47 | 1 | | | Year | QSP | Rank | | 1902 | .763 | 9 | | 1904 | .822 | 6 | | 1909 | .855 | 6 | | | Year | CG | Rank | | 1904 | 36 | 8 | | 1908 | 31 | 8 | | 1909 | 42 | 3 | | | Year | SHO | Rank | | 1902 | 3 | 4 | | 1903 | 3 | 9 | | 1908 | 3 | 9 | | 1909 | 5 | 5 | | | Year | GB% | Rank | | 1903 | 0.61 | 8 | | 1904 | 0.77 | 2 | | 1905 | 0.72 | 4 | | 1908 | 0.71 | 1 | | 1909 | 0.68 | 2 | |