| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2004-2005 | Pittsburgh Hornets Peewee | QC Int PW | - | - | - | - | - | | | ||||||
| 2007-2008 | Pine-Richland High | USHS-PA | 13 | 8 | 19 | 27 | 14 | | | ||||||
| Pittsburgh Hornets 18U AAA | 18U AAA | 76 | 43 | 51 | 94 | 92 | | | |||||||
| Pittsburgh Hornets 18U AAA | T1EHL 18U | 26 | 11 | 19 | 30 | 16 | | | |||||||
| 2008-2009 | Mahoning Valley Phantoms | NAHL | 47 | 29 | 18 | 47 | 48 | | | Playoffs | 7 | 5 | 1 | 6 | 10 |
| USA U17 | WHC-17 | 6 | 4 | 5 | 9 | 2 | | | |||||||
| 2009-2010 | U.S. National U18 Team | NTDP | 39 | 17 | 15 | 32 | 34 | | | ||||||
| USNTDP Juniors | USHL | 24 | 12 | 14 | 26 | 18 | | | |||||||
| USA U18 | WJC-18 | 7 | 3 | 3 | 6 | 4 | | | |||||||
| 2010-2011 | Saginaw Spirit | OHL | 59 | 27 | 28 | 55 | 47 | | | Playoffs | 12 | 3 | 8 | 11 | 10 |
| 2011-2012 | Saginaw Spirit | OHL | 44 | 34 | 42 | 76 | 38 | | | Playoffs | 12 | 8 | 9 | 17 | 4 |
| Chicago Blackhawks | NHL | 2 | 0 | 0 | 0 | 0 | | | Playoffs | 2 | 0 | 1 | 1 | 0 | |
| USA U20 | WJC-20 | 6 | 1 | 5 | 6 | 0 | | | |||||||
| 2012-2013 | Chicago Blackhawks | NHL | 46 | 10 | 17 | 27 | 12 | | | Playoffs | 23 | 1 | 5 | 6 | 4 |
| Rockford IceHogs | AHL | 31 | 8 | 12 | 20 | 10 | | | |||||||
| 2013-2014 | Chicago Blackhawks | NHL | 78 | 19 | 28 | 47 | 20 | | | Playoffs | 19 | 6 | 10 | 16 | 6 |
| 2014-2015 | Chicago Blackhawks | NHL | 82 | 23 | 29 | 52 | 12 | | | Playoffs | 23 | 8 | 3 | 11 | 6 |
| 2015-2016 | Columbus Blue Jackets | NHL | 78 | 31 | 22 | 53 | 14 | | | ||||||
| 2016-2017 | Columbus Blue Jackets | NHL | 82 | 24 | 29 | 53 | 8 | | | Playoffs | 5 | 1 | 2 | 3 | 0 |
| Team North America | WCup | 3 | 0 | 0 | 0 | 2 | | | |||||||
| 2017-2018 | Chicago Blackhawks | NHL | 82 | 18 | 17 | 35 | 14 | | | ||||||
| 2018-2019 | Chicago Blackhawks | NHL | 80 | 23 | 24 | 47 | 12 | | | ||||||
| 2019-2020 | Chicago Blackhawks | NHL | 58 | 21 | 12 | 33 | 16 | | | Playoffs | 9 | 2 | 3 | 5 | 2 |
| 2020-2021 | Colorado Avalanche | NHL | 44 | 15 | 9 | 24 | 12 | | | Playoffs | 10 | 7 | 1 | 8 | 12 |
| 2021-2022 | St. Louis Blues | NHL | 78 | 24 | 25 | 49 | 10 | | | Playoffs | 12 | 2 | 3 | 5 | 4 |
| 2022-2023 | St. Louis Blues | NHL | 71 | 19 | 18 | 37 | 12 | | | ||||||
| 2023-2024 | St. Louis Blues | NHL | 82 | 26 | 16 | 42 | 20 | | | ||||||
| 2024-2025 | St. Louis Blues | NHL | 43 | 7 | 9 | 16 | 6 | | | ||||||
| Vegas Golden Knights | NHL | 29 | 6 | 8 | 14 | 0 | | | Playoffs | 8 | 0 | 2 | 2 | 2 | |
| 2025-2026 | Vegas Golden Knights | NHL | 49 | 3 | 6 | 9 | 14 | | | Playoffs | 5 | 0 | 2 | 2 | 0 |