Ryan Dempster career WHIP
1.43Career Regular Season
Ryan Dempster has a career WHIP of 1.43 over 16 regular seasons.
- Best season on file: 1.20 in 2012.
- Most recent: 1.45 in 2013.
Average of 16 regular seasons, 1998 through 2013. Figures come from ESPN's box scores and were last read on September 22, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1998 |  MIA | 14 | 1 | 5 | 7.08 | 54.2 | 35 | 38 | 2.01 | 0 |
| 1999 | MIA | 25 | 7 | 8 | 4.71 | 147.0 | 126 | 93 | 1.63 | 0 |
| 2000 | MIA | 33 | 14 | 10 | 3.66 | 226.1 | 209 | 97 | 1.36 | 0 |
| 2001 | MIA | 34 | 15 | 12 | 4.94 | 211.1 | 171 | 112 | 1.56 | 0 |
| 2002 |  MIA/CIN | 33 | 10 | 13 | 5.38 | 209.0 | 153 | 93 | 1.54 | 0 |
| 2003 | CIN | 22 | 3 | 7 | 6.54 | 115.2 | 84 | 70 | 1.76 | 0 |
| 2004 |  CHC | 23 | 1 | 1 | 3.92 | 20.2 | 18 | 13 | 1.40 | 2 |
| 2005 | CHC | 63 | 5 | 3 | 3.13 | 92.0 | 89 | 49 | 1.43 | 33 |
| 2006 | CHC | 74 | 1 | 9 | 4.80 | 75.0 | 67 | 36 | 1.51 | 24 |
| 2007 | CHC | 66 | 2 | 7 | 4.73 | 66.2 | 55 | 30 | 1.34 | 28 |
| 2008 | CHC | 33 | 17 | 6 | 2.96 | 206.2 | 187 | 76 | 1.21 | 0 |
| 2009 | CHC | 31 | 11 | 9 | 3.65 | 200.0 | 172 | 65 | 1.31 | 0 |
| 2010 | CHC | 34 | 15 | 12 | 3.85 | 215.1 | 208 | 86 | 1.32 | 0 |
| 2011 | CHC | 34 | 10 | 14 | 4.80 | 202.1 | 191 | 82 | 1.45 | 0 |
| 2012 |  CHC/TEX | 28 | 12 | 8 | 3.38 | 173.0 | 153 | 52 | 1.20 | 0 |
| 2013 |  BOS | 32 | 8 | 9 | 4.57 | 171.1 | 157 | 79 | 1.45 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV