| Player History |
| 01-01-2010 | Drafted in the 2010 inaugural draft (Round 11, Pick 26, 326th overall Pick) by the Seattle Mariners. |
| 05-01-2010 | Wins the MLBAAA SL2 Pitcher of the Month Award. |
| 08-17-2010 | Injured (tender shoulder), day-to-day for 1-2 weeks. |
| 11-20-2010 | Received a 1-year contract worth a total of $380,000 through automatic renewal. |
| 01-01-2011 | SISA scouting updated ratings (potential): Stuff: 9 (9); Movement: 17 (17); Control: 9 (9). |
| 10-14-2011 | Injured (strep throat), day-to-day for one week. |
| 11-20-2011 | Received a 1-year contract worth a total of $814,200 through arbitration. |
| 01-01-2012 | SISA scouting updated ratings (potential): Stuff: 7 (7); Movement: 16 (16); Control: 12 (12). |
| 07-01-2012 | Wins the MLB AL Pitcher of the Month Award. |
| 11-16-2012 | Received a 1-year contract worth a total of $5,221,200 through arbitration. |
| 01-01-2013 | SISA scouting updated ratings (potential): Stuff: 9 (11); Movement: 17 (17); Control: 12 (12). |
| 04-12-2013 | Pitches a 2-hit shutout against the Baltimore Orioles with 8 strikeouts and 1 BB allowed! |
| 05-01-2013 | Wins the MLB AL Pitcher of the Month Award. |
| 11-18-2013 | Received a 1-year contract worth a total of $6,912,000 through arbitration. |
| 01-01-2014 | SISA scouting updated ratings (potential): Stuff: 10 (10); Movement: 18 (18); Control: 15 (15). |
| 03-10-2014 | Signed a 3-year contract extension worth a total of $29,490,000 with the Seattle Mariners organization. |
| 07-12-2014 | Was selected to the 2014 Major League Baseball All-Star Game. |
| 07-22-2014 | Pitches a 3-hit shutout against the Boston Red Sox with 7 strikeouts and 1 BB allowed! |
| 09-16-2014 | Injured (tender shoulder), day-to-day for 2 weeks. |
| 01-01-2015 | SISA scouting updated ratings (potential): Stuff: 11 (11); Movement: 17 (17); Control: 12 (12). |
| 07-10-2015 | Was selected to the 2015 Major League Baseball All-Star Game. |
| 07-21-2015 | Pitches a 4-hit shutout against the New York Yankees with 9 strikeouts and 1 BB allowed! |
| 11-11-2015 | Wins the 2015 MLB AL Cy Young Award. |
| 01-01-2016 | SISA scouting updated ratings (potential): Stuff: 11 (11); Movement: 17 (17); Control: 14 (14). |
| 01-01-2017 | SISA scouting updated ratings (potential): Stuff: 11 (11); Movement: 15 (15); Control: 15 (15). |
