| Position | R |
| Birth city | Stará Lubovna, undefined, SVK |
| Birth date | 1979-01-12 (47) |
| Height | 6'1'' |
| weight (lb) | 207 |
| Drafted | pick 12 round 1 by OTT in 1997 |
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 1997-98 | NHL | Ottawa Senators | 7 | 0 | 1 | 1 | -1 | 0 |
| 1998-99 | NHL | Ottawa Senators | 60 | 15 | 15 | 30 | 18 | 37 |
| 1999-00 | NHL | Ottawa Senators | 78 | 29 | 27 | 56 | 5 | 32 |
| 2000-01 | NHL | Ottawa Senators | 81 | 32 | 43 | 75 | 19 | 44 |
| 2001-02 | NHL | Ottawa Senators | 80 | 31 | 35 | 66 | 11 | 50 |
| 2002-03 | NHL | Ottawa Senators | 80 | 45 | 35 | 80 | 8 | 34 |
| 2003-04 | NHL | Ottawa Senators | 81 | 36 | 46 | 82 | 4 | 46 |
| 2005-06 | NHL | Atlanta Thrashers | 80 | 39 | 53 | 92 | 17 | 67 |
| 2006-07 | NHL | Atlanta Thrashers | 82 | 43 | 57 | 100 | 18 | 49 |
| 2007-08 | NHL | Atlanta Thrashers | 60 | 26 | 30 | 56 | -14 | 30 |
| 2007-08 | NHL | Pittsburgh Penguins | 12 | 3 | 7 | 10 | 0 | 6 |
| 2008-09 | NHL | Detroit Red Wings | 74 | 40 | 31 | 71 | 27 | 63 |
| 2009-10 | NHL | Chicago Blackhawks | 57 | 24 | 27 | 51 | 24 | 18 |
| 2010-11 | NHL | Chicago Blackhawks | 65 | 25 | 32 | 57 | 9 | 32 |
| 2011-12 | NHL | Chicago Blackhawks | 81 | 29 | 48 | 77 | 18 | 20 |
| 2012-13 | NHL | Chicago Blackhawks | 40 | 17 | 14 | 31 | 20 | 16 |
| 2013-14 | NHL | Chicago Blackhawks | 72 | 30 | 30 | 60 | 28 | 20 |
| 2014-15 | NHL | Chicago Blackhawks | 82 | 22 | 39 | 61 | 17 | 32 |
| 2015-16 | NHL | Chicago Blackhawks | 64 | 13 | 20 | 33 | 10 | 24 |
| 2016-17 | NHL | Chicago Blackhawks | 73 | 26 | 19 | 45 | 7 | 8 |
| NHL Total | 1309 | 525 | 609 | 1134 | 245 | 628 | ||
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 1998-99 | NHL | Ottawa Senators | 4 | 0 | 2 | 2 | 1 | 4 |
| 1999-00 | NHL | Ottawa Senators | 6 | 0 | 0 | 0 | -8 | 2 |
| 2000-01 | NHL | Ottawa Senators | 4 | 1 | 1 | 2 | 1 | 4 |
| 2001-02 | NHL | Ottawa Senators | 12 | 4 | 6 | 10 | 2 | 2 |
| 2002-03 | NHL | Ottawa Senators | 18 | 5 | 11 | 16 | -1 | 6 |
| 2003-04 | NHL | Ottawa Senators | 7 | 3 | 1 | 4 | 2 | 0 |
| 2006-07 | NHL | Atlanta Thrashers | 4 | 0 | 1 | 1 | -6 | 6 |
| 2007-08 | NHL | Pittsburgh Penguins | 20 | 12 | 14 | 26 | 8 | 12 |
| 2008-09 | NHL | Detroit Red Wings | 23 | 6 | 9 | 15 | 5 | 10 |
| 2009-10 | NHL | Chicago Blackhawks | 22 | 3 | 12 | 15 | 7 | 25 |
| 2010-11 | NHL | Chicago Blackhawks | 7 | 2 | 4 | 6 | 0 | 2 |
| 2011-12 | NHL | Chicago Blackhawks | 3 | 0 | 0 | 0 | 3 | 0 |
| 2012-13 | NHL | Chicago Blackhawks | 22 | 7 | 9 | 16 | 8 | 2 |
| 2013-14 | NHL | Chicago Blackhawks | 19 | 2 | 12 | 14 | 0 | 8 |
| 2014-15 | NHL | Chicago Blackhawks | 23 | 4 | 13 | 17 | 7 | 10 |
| 2015-16 | NHL | Chicago Blackhawks | 7 | 3 | 2 | 5 | 0 | 0 |
| 2016-17 | NHL | Chicago Blackhawks | 4 | 0 | 0 | 0 | -4 | 2 |
| NHL Total | 205 | 52 | 97 | 149 | 25 | 95 | ||
