- Third-year quarterback enters his third season with the Chiefs in 2019.
- Threw 26 touchdown passes and 2,810 yards through Week 8 of the 2018 season, the most passing touchdowns and passing yards in a player's first nine career games in the Super Bowl era.
- Threw 29 touchdown passes in his first 10 career NFL games, more TD throws than any QB in NFL history in their first 10 games.
- Recorded longest touchdown pass of career (75 yards) in Week 6 vs. New England (10/13/18).
- Made his NFL debut and first start during the Chiefs 2017 regular season finale against the Broncos (12/31) and completed 22 of 35 passes (62.9%) for 284 yards. His 284 passing yards are the second-most by a rookie passer in a single-game in franchise history. He added seven carries for 10 yards.
- Originally entered the NFL as the 10th overall pick in the first round of the 2017 NFL Draft by Kansas City.
- The Chiefs traded traded the No. 27 overall pick, a third-round pick and their 2018 first-round selection to the Buffalo Bills in order to move up to the No. 10 spot where they selected Mahomes
- Became the fastest player to 4,000 passing yards by accomplishing the feat in just 13 career games.
- Broke the Chiefs single-season passing touchdown record, passing Len Dawson with 31 touchdown passes through Week 10 of the 2018 season.
- Recorded six touchdown passes against the Steelers (9/16/18), tying Chiefs QB Len Dawson for most touchdown passes in one game in team history.
- First quarterback in Chiefs history to throw for 300+ yards in eight consecutive games.
- Awarded National Football League's Most Valuable Player for 2018 season.
- Named 2018 FedEx Air Player of the year.
- Three-Time Fedex Air Player of the Week in 2018 season (Weeks 2, 7 and 8).
- Earned back-to-back AFC Offensive Player of the Week honors after his debut against the Chargers (9/9) where he completed 15 of 27 passes (55.5%) for 256 yards and four touchdowns and in Week 2 against the Steelers (9/16), completing 26 of 28 passes for 326 yards and six touchdowns.
- 2018 AFC Player of the Month for September.
- 2019 Pro Bowl Selection.
|7||@Broncos||W 30 - 6||10||11||76||6.9||1||0||0||0||125.8||1||2||2||0|
|6||Texans||L 24 - 31||19||35||273||7.8||3||1||1||17||96.5||1||-1||-1||0||1||1|
|5||Colts||L 13 - 19||22||39||321||8.2||1||0||4||33||91.9||3||17||5.7||0|
|4||@Lions||W 34 - 30||24||42||315||7.5||0||0||0||0||81||6||54||9||0|
|3||Ravens||W 33 - 28||27||37||374||10.1||3||0||1||11||132||4||9||2.3||0||1||0|
|2||@Raiders||W 28 - 10||30||44||443||10.1||4||0||2||7||131.2||1||-1||-1||0||1||1|
|1||@Jaguars||W 40 - 26||25||33||378||11.5||3||0||0||0||143.2||1||2||2||0|
|2017||Kansas City Chiefs||1||1||22||35||284||8.1||0||1||2||15||76.4||7||10||1.4||0|
|2018||Kansas City Chiefs||16||16||383||580||5097||8.8||50||12||26||171||113.8||60||272||4.5||2||9||2|
|2019||Kansas City Chiefs||7||7||157||241||2180||9||15||1||8||68||113.1||17||82||4.8||0||3||2|