
| 1987-88 | Sweden-2 | Arlanda | 3 | 0 | 0 | 0 | - | - | - | 0 |
| 1989-90 | Sweden-2 | Huddinge | 31 | 7 | 15 | 22 | - | - | - | 4 |
| 1990-91 | Sweden-2 | Huddinge | 33 | 14 | 20 | 34 | - | - | - | 10 |
| 1991-92 | Sweden | AIK | 40 | 11 | 17 | 28 | - | - | - | 30 |
| 1992-93 | NHL | Hartford Whalers | 59 | 11 | 22 | 33 | -7 | 85 | 12.9% | 36 |
| 1993-94 | NHL | Hartford Whalers | 58 | 11 | 33 | 44 | -2 | 74 | 14.9% | 24 |
| 1993-94 | NHL | Calgary Flames | 15 | 2 | 9 | 11 | 10 | 21 | 9.5% | 6 |
| 1993-94 | AHL | Springfield | 4 | 0 | 9 | 9 | - | - | - | 0 |
| 1994-95 | NHL | Calgary Flames | 6 | 0 | 1 | 1 | 1 | 2 | 0.0% | 2 |
| 1994-95 | Finland | JYP HT | 16 | 11 | 19 | 30 | - | - | - | 63 |
| 1995-96 | NHL | Calgary Flames | 73 | 17 | 38 | 55 | 0 | 163 | 10.4% | 20 |
| 1996-97 | Swiss | Lugano | 36 | 12 | 43 | 55 | - | - | - | 28 |
| 1997-98 | NHL | Calgary Flames | 65 | 13 | 23 | 36 | 10 | 117 | 11.1% | 24 |
| 1998-99 | NHL | Calgary Flames | 9 | 2 | 3 | 5 | 1 | 7 | 28.6% | 2 |
| 1998-99 | NHL | Tampa Bay Lightning | 24 | 2 | 7 | 9 | -10 | 26 | 7.7% | 6 |
| 1999-00 | NHL | Tampa Bay Lightning | 11 | 1 | 2 | 3 | -3 | 10 | 10.0% | 4 |
| 1999-00 | NHL | Chicago Blackhawks | 66 | 23 | 28 | 51 | 9 | 112 | 20.5% | 26 |
| 2000-01 | NHL | Chicago Blackhawks | 82 | 25 | 39 | 64 | 7 | 176 | 14.2% | 32 |
| 2001-02 | NHL | Chicago Blackhawks | 82 | 15 | 46 | 61 | 28 | 158 | 9.5% | 50 |
| 2002-03 | NHL | Chicago Blackhawks | 9 | 0 | 4 | 4 | 0 | 20 | 0.0% | 4 |
| 2002-03 | NHL | Washington Capitals | 71 | 17 | 39 | 56 | 3 | 141 | 12.1% | 36 |
| 2003-04 | NHL | Washington Capitals | 3 | 0 | 2 | 2 | 1 | 1 | 0.0% | 8 |
| 2003-04 | NHL | Boston Bruins | 15 | 1 | 11 | 12 | 3 | 29 | 3.5% | 14 |
| 2004-05 | Finland | Karpat | 23 | 5 | 15 | 20 | - | - | - | 22 |
| 2004-05 | Russia | St. Petersburg | 8 | 2 | 5 | 7 | - | - | - | 0 |
| 2004-05 | Russia | Kazan | 5 | 0 | 1 | 1 | - | - | - | 2 |
| 2005-06 | NHL | New York Rangers | 81 | 23 | 56 | 79 | 31 | 172 | 13.4% | 76 |
| 2006-07 | NHL | New York Rangers | 79 | 26 | 57 | 83 | 12 | 193 | 13.5% | 42 |
| 2007-08 | NHL | Washington Capitals | 40 | 11 | 26 | 37 | -19 | 77 | 14.3% | 24 |
| 2008-09 | NHL | Washington Capitals | 72 | 9 | 24 | 33 | 0 | 87 | 10.3% | 32 |
| 2009-10 | Finland | Jokerit | 14 | 3 | 4 | 7 | - | - | - | 58 |
| 2009-10 | AHL | Grand Rapids | 24 | 2 | 16 | 18 | -8 | - | - | 14 |
| 2010-11 | AHL | Rochester | 7 | 4 | 2 | 6 | -3 | 8 | 50.0% | 8 |
| 2011-12 | Swiss | Zurich | 15 | 5 | 5 | 10 | - | - | - | 8 |
| 2011-12 | Swiss | Kloten | 8 | 0 | 5 | 5 | - | - | - | 4 |
| 2012-13 | Division 1 | HC Vita Hästen | 1 | 0 | 0 | 0 | 0 | - | - | 0 |
| 2013-14 | Allsvenskan | Rögle BK | 25 | 3 | 6 | 9 | 2 | - | - | 22 |
| 2014-15 | Allsvenskan | AIK | 11 | 1 | 1 | 2 | -3 | - | - | 8 |
| NHL Totals | – | 920 | 209 | 470 | 679 | 75 | 1671 | 12.5% | 468 | |
| AHL Totals | – | 35 | 6 | 27 | 33 | -11 | 8 | 75.0% | 22 | |
| 1989-90 | Sweden-2 | Huddinge | 5 | 3 | 0 | 3 | - | - | - | 0 |
| 1990-91 | Sweden-2 | Huddinge | 2 | 0 | 0 | 0 | - | - | - | 0 |
| 1991-92 | Sweden | AIK | 3 | 1 | 4 | 5 | - | - | - | 4 |
| 1992-93 | AHL | Springfield | 3 | 3 | 3 | 6 | - | - | - | 2 |
| 1993-94 | NHL | Calgary Flames | 3 | 0 | 0 | 0 | -1 | 3 | 0.0% | 0 |
| 1994-95 | NHL | Calgary Flames | 6 | 0 | 6 | 6 | -3 | 13 | 0.0% | 2 |
| 1995-96 | NHL | Calgary Flames | 4 | 0 | 0 | 0 | -4 | 9 | 0.0% | 0 |
| 1996-97 | Swiss | Lugano | 8 | 3 | 8 | 11 | - | - | - | 8 |
| 2001-02 | NHL | Chicago Blackhawks | 5 | 0 | 3 | 3 | 2 | 6 | 0.0% | 2 |
| 2002-03 | NHL | Washington Capitals | 6 | 3 | 2 | 5 | 0 | 15 | 20.0% | 8 |
| 2003-04 | NHL | Boston Bruins | 6 | 3 | 3 | 6 | 2 | 10 | 30.0% | 0 |
| 2005-06 | NHL | New York Rangers | 4 | 0 | 1 | 1 | -3 | 10 | 0.0% | 0 |
| 2006-07 | NHL | New York Rangers | 10 | 6 | 7 | 13 | 9 | 23 | 26.1% | 0 |
| 2008-09 | NHL | Washington Capitals | 3 | 0 | 0 | 0 | -1 | 0 | 0.0% | 2 |
| 2009-10 | Finland | Jokerit | 3 | 2 | 1 | 3 | - | - | - | 0 |
| 2011-12 | Swiss | Kloten | 2 | 0 | 1 | 1 | - | - | - | 2 |
| 2012-13 | HockeyAllsvenskan | Södertälje SK | 10 | 3 | 4 | 7 | -5 | - | - | 20 |
| 2013-14 | SHL | AIK | 9 | 2 | 3 | 5 | 3 | - | - | 4 |
| NHL Totals | – | 47 | 12 | 22 | 34 | 1 | 89 | 13.5% | 14 | |
| AHL Totals | – | 3 | 3 | 3 | 6 | - | - | - | 2 | |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Playoffs | @ PIT | May 6 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 10 | 7:27 |
| Playoffs | vs NYR | Apr 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 8:53 |
| Playoffs | vs NYR | Apr 15 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 0 | 12 | 10:03 |
| Regular | @ FLA | Apr 11 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 1 | 15 | 13:10 |
| Regular | @ TBL | Apr 9 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 13 | 11:13 |