| Player History |
| 01-01-2011 | SISA scouting updated ratings (potential): Stuff: 15 (70); Movement: 1 (52); Control: 4 (47). |
| 03-01-2011 | Drafted in the 2011 first-year player draft (Round 8, Pick 23, 233rd overall Pick) by the Florida Marlins. |
| 01-01-2012 | SISA scouting updated ratings (potential): Stuff: 38 (92); Movement: 6 (52); Control: 26 (73). |
| 05-28-2012 | Pitches a 5-hit shutout against the GCL (NYM) Mets with 5 strikeouts and 0 BB allowed! |
| 01-01-2013 | SISA scouting updated ratings (potential): Stuff: 48 (93); Movement: 12 (67); Control: 37 (76). |
| 04-16-2013 | Pitches a 2-hit shutout against the GCL (WSH) Nationals with 8 strikeouts and 0 BB allowed! |
| 08-06-2013 | Pitches a PERFECT GAME against the Brevard County Manatees, striking out 16 hitters! |
| 09-01-2013 | Wins the FLO FLO Pitcher of the Month Award. |
| 01-01-2014 | SISA scouting updated ratings (potential): Stuff: 74 (93); Movement: 26 (67); Control: 57 (76). |
| 07-01-2014 | Wins the PCL PCL Pitcher of the Month Award. |
| 09-01-2014 | Wins the PCL PCL Pitcher of the Month Award. |
| 11-24-2014 | Was traded by the Florida Marlins to the Los Angeles (A) Angels of Anaheim in exchange for RF P. Jewell, SP G. Cole, SS D. Sanc, SP K. Bragdon. |
| 01-01-2015 | SISA scouting updated ratings (potential): Stuff: 96 (93); Movement: 56 (67); Control: 61 (76). |
| 11-27-2015 | Received a 1-year contract worth a total of $350,000 through automatic renewal. |
| 01-01-2016 | SISA scouting updated ratings (potential): Stuff: 96 (93); Movement: 69 (67); Control: 65 (76). |
| 06-15-2016 | Pitches a 3-hit shutout against the Baltimore Orioles with 17 strikeouts and 1 BB allowed! |
| 07-25-2016 | Injured (back spasms), out for 1-2 weeks. |
| 11-20-2016 | Received a 1-year contract worth a total of $350,000 through automatic renewal. |
| 01-01-2017 | SISA scouting updated ratings (potential): Stuff: 95 (93); Movement: 68 (67); Control: 74 (76). |
| 07-01-2017 | Was traded by the Los Angeles (A) Angels of Anaheim to the Washington Nationals in exchange for SP D. Gow, SP J. Blanch, 2B B. Tollemache, SS Á. Llesemia, SP S. Miller, LF R. Jenkins. |
| 08-10-2017 | Signed a 2-year contract extension worth a total of $11,000,000 with the Washington Nationals organization. |
| 09-01-2017 | Wins the MLBD NL Pitcher of the Month Award. |
| 10-24-2017 | Won the 2017 Major League Baseball Dreams World Series with the Washington Nationals! |
| 01-01-2018 | OSA scouting updated ratings (potential): Stuff: 97 (97); Movement: 69 (69); Control: 78 (78). |
| 04-26-2018 | Pitches a NO-HITTER against the Florida Marlins with 8 strikeouts and 1 BB allowed! |
| 05-22-2018 | Strikes out 15 against the Atlanta Braves. |
| 07-15-2018 | Was selected to the 2018 Major League Baseball Dreams All-Star Game. |
| 07-20-2018 | Injured (elbow soreness), out for 1-2 weeks. |
| 09-04-2018 | Suspended 7 games after ejection following a brawl. |
| 01-01-2019 | OSA scouting updated ratings (potential): Stuff: 97 (97); Movement: 66 (66); Control: 75 (76). |
| 03-09-2019 | Injured (forearm soreness), day-to-day for 3 days. |
| 04-16-2019 | Pitches a 2-hit shutout against the Philadelphia Phillies with 11 strikeouts and 2 BB allowed! |
| 07-14-2019 | Was selected to the 2019 Major League Baseball Dreams All-Star Game. |
| 10-05-2019 | Signed a 4-year contract extension worth a total of $57,480,000 with the Washington Nationals organization. |
| 10-24-2019 | Won the 2019 Major League Baseball Dreams World Series with the Washington Nationals! |
| 01-01-2020 | OSA scouting updated ratings (potential): Stuff: 97 (97); Movement: 66 (66); Control: 77 (77). |
| 04-25-2020 | Injured (mild calf strain), day-to-day for 2 days. |
| 05-12-2020 | Pitches a 2-hit shutout against the Houston Astros with 10 strikeouts and 1 BB allowed! |
| 06-18-2020 | Pitches a 5-hit shutout against the New York (N) Mets with 11 strikeouts and 0 BB allowed! |
| 07-19-2020 | Was selected to the 2020 Major League Baseball Dreams All-Star Game. |
| 01-01-2021 | OSA scouting updated ratings (potential): Stuff: 96 (96); Movement: 66 (66); Control: 80 (80). |
| 05-08-2021 | Pitches a 5-hit shutout against the St. Louis Cardinals with 14 strikeouts and 1 BB allowed! |
| 06-25-2021 | Pitches a 5-hit shutout against the Seattle Mariners with 7 strikeouts and 2 BB allowed! |
| 07-01-2021 | Wins the MLBD NL Pitcher of the Month Award. |
| 07-18-2021 | Was selected to the 2021 Major League Baseball Dreams All-Star Game. |
| 01-01-2022 | OSA scouting updated ratings (potential): Stuff: 96 (96); Movement: 66 (66); Control: 77 (77). |
| 07-31-2022 | Was traded by the Washington Nationals to the Seattle Mariners in exchange for SP J. Cantú, CF O. García, C J. Montero, SP J. Pérez, MR R. Velazquez. |
| 11-24-2022 | Signed a 3-year contract extension worth a total of $43,110,000 with the Seattle Mariners organization. |
| 01-01-2023 | OSA scouting updated ratings (potential): Stuff: 96 (96); Movement: 65 (65); Control: 80 (80). |