Mike Henneman
Pitcher · Career Stats, Bio & Records (1987-1996)
Mike Henneman was a pitcher who played in Major League Baseball from 1987 to 1996 for the Detroit Tigers, the Houston Astros, and the Texas Rangers, a span of 10 seasons. Across 561 career appearances, he went 57-42 with a 3.21 ERA, 533 strikeouts, and 193 saves. Mike Henneman was an All-Star. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 10690.8.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- R / R
- Height / Weight
- 6'4" / 205 lb
- MLB Debut
- 1987-05-11
- Last Game
- 1996-09-27
- Awards
- All-Star
Full name: Michael Alan Henneman
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | DET | AL | 11 | 3 | 55 | 0 | 0 | 0 | 7 | 96.2 | 86 | 32 | 30 | 75 | 2.98 | 4.29 (+31%) | 2154.7 |
| 1988 | DET | AL | 9 | 6 | 65 | 0 | 0 | 0 | 22 | 91.1 | 72 | 19 | 24 | 58 | 1.87 | 3.73 (+50%) | 894.1 |
| 1989 | DET | AL | 11 | 4 | 60 | 0 | 0 | 0 | 8 | 90.0 | 84 | 37 | 51 | 69 | 3.70 | 3.71 (avg) | 83.3 |
| 1990 | DET | AL | 8 | 6 | 69 | 0 | 0 | 0 | 22 | 94.1 | 90 | 32 | 33 | 50 | 3.05 | 3.86 (+21%) | 1002.4 |
| 1991 | DET | AL | 10 | 2 | 60 | 0 | 0 | 0 | 21 | 84.1 | 81 | 27 | 34 | 61 | 2.88 | 3.91 (+26%) | 2111.4 |
| 1992 | DET | AL | 2 | 6 | 60 | 0 | 0 | 0 | 24 | 77.1 | 75 | 34 | 20 | 58 | 3.96 | 3.75 (-6%) | 1331.3 |
| 1993 | DET | AL | 5 | 3 | 63 | 0 | 0 | 0 | 24 | 71.2 | 69 | 21 | 32 | 58 | 2.64 | 4.19 (+37%) | 1221.8 |
| 1994 | DET | AL | 1 | 3 | 30 | 0 | 0 | 0 | 8 | 34.2 | 43 | 20 | 17 | 27 | 5.19 | 4.51 (-15%) | -503.5 |
| 1995 | DET | AL | 0 | 1 | 29 | 0 | 0 | 0 | 18 | 29.1 | 24 | 5 | 9 | 24 | 1.53 | 4.45 (+66%) | 1522.5 |
| 1995 | HOU | NL | 0 | 1 | 21 | 0 | 0 | 0 | 8 | 21.0 | 21 | 7 | 4 | 19 | 3.00 | 4.45 (+33%) | 886.4 |
| 1996 | TEX | AL | 0 | 7 | 49 | 0 | 0 | 0 | 31 | 42.0 | 41 | 27 | 17 | 34 | 5.79 | 4.61 (-25%) | -13.7 |
| Career · 11 seasons | 57 | 42 | 561 | 0 | 0 | 0 | 193 | 732.2 | 686 | 261 | 271 | 533 | 3.21 | — | 10,691 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Career Batting Statistics
| G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 561 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | .000 | .000 | .000 | 0 |
Career AVG .000 vs. league average .261 across their career seasons — 100.0% below league average.
Career OBP .000 vs. league average .329 across their career seasons — 100.0% below league average.
Career SLG .000 vs. league average .398 across their career seasons — 100.0% below league average.
Career OPS .000 vs. league average .727 across their career seasons — 100.0% below league average.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | DET | AL | 55 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | — | — | — | — | 0.0 |
| 1988 | DET | AL | 65 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1989 | DET | AL | 60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1990 | DET | AL | 69 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1991 | DET | AL | 60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1992 | DET | AL | 60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1993 | DET | AL | 63 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1994 | DET | AL | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1995 | DET | AL | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1995 | HOU | NL | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1996 | TEX | AL | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 11 seasons | 561 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | — | — | — | — | 0 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (1122 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 285 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 276 | 1 | 0 | 0 | 0 | 0 | .000 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 285 | 377.2 | 318 | 127 | 113 | 298 | 3.03 |
| Away | 276 | 355.0 | 368 | 134 | 158 | 235 | 3.40 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1996-09-27 | TEX | LAA | — | 1.2 | 1 | 0 | 0 | 0 | 1 | 0 |
| 1996-09-26 | TEX | LAA | SV | 0.1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1996-09-24 | TEX | OAK | — | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1996-09-10 | TEX | TOR | SV | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1996-09-09 | TEX | TOR | SV | 1.0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 1996-09-07 | TEX | MIL | SV | 0.2 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1996-09-03 | TEX | MIN | SV | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1996-09-01 | TEX | CLE | — | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 1996-08-21 | TEX | CLE | — | 0.1 | 1 | 2 | 2 | 1 | 0 | 0 |
| 1996-08-16 | TEX | KCR | SV | 1.0 | 1 | 1 | 1 | 0 | 3 | 1 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
| Year | Team | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|---|
| 1987 | DET | P | 55 | 0 | 8 | 11 | 0 | 2 |
| 1988 | DET | P | 65 | 0 | 4 | 8 | 1 | 0 |
| 1989 | DET | P | 60 | 0 | 5 | 12 | 0 | 2 |
| 1990 | DET | P | 69 | 0 | 7 | 16 | 3 | 2 |
| 1991 | DET | P | 60 | 0 | 6 | 10 | 2 | 1 |
| 1992 | DET | P | 60 | 0 | 9 | 9 | 1 | 1 |
| 1993 | DET | P | 63 | 0 | 6 | 5 | 1 | 0 |
| 1994 | DET | P | 30 | 0 | 6 | 4 | 0 | 0 |
| 1995 | DET | P | 29 | 0 | 2 | 1 | 0 | 0 |
| 1995 | HOU | P | 21 | 0 | 1 | 1 | 0 | 0 |
| 1996 | TEX | P | 49 | 0 | 1 | 6 | 1 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 561 |
Awards & Honors
| Year | Award | Notes |
|---|---|---|
| 1987 | TSN Rookie Pitcher of the Year |
Salary History
| Year | Team | League | Salary |
|---|---|---|---|
| 1997 | TEX | AL | $250,000 |
| 1996 | TEX | AL | $1,519,681 |
| 1995 | DET | AL | $4,833,334 |
| 1994 | DET | AL | $1,333,333 |
| 1993 | DET | AL | $4,333,333 |
| 1992 | DET | AL | $2,437,500 |
| 1991 | DET | AL | $1,100,000 |
| 1990 | DET | AL | $335,000 |
| 1989 | DET | AL | $195,000 |
| 1988 | DET | AL | $115,000 |
| 1987 | DET | AL | $62,500 |
| Total Career Earnings | $16,514,681 | ||
College History
| School Name | City | State | Years Attended |
|---|---|---|---|
| Jefferson College | Hillsboro | MO | 1981, 1982 |
| Oklahoma State University | Stillwater | OK | 1983, 1984 |
Award Voting History
| Year | Award | League | Finish | Points Won | Points Max | Votes First |
|---|---|---|---|---|---|---|
| 1987 | Rookie of the Year | AL | 6th | 1.0 | 140 | 0 |
Most Similar Players
Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.
Mike Henneman (highlighted) compared to peers across the same era.
Mike Henneman: the record in brief
The profile opens with Mike Henneman's first major league game on May 11, 1987; the last one listed came on September 27, 1996. Henneman played for the Detroit Tigers (1987 to 1995), the Houston Astros (1995), and the Texas Rangers (1996). Listed as a pitcher, Henneman both batted and threw right-handed. Henneman is listed at 205 pounds on a 6-foot-4 frame. Henneman was born on December 11, 1961, in St. Charles, MO, USA. Mike Henneman was the playing name; the full given name is Michael Alan.
Henneman's career pitching line is 57 wins, 42 losses and a 3.21 ERA over 561 appearances. Also on Henneman's record: 533 strikeouts and 193 saves. The leagues Henneman pitched in allowed 4.09 earned runs per nine over those seasons, so the career ERA was 21.7% better than average. Henneman won 11 games in 1987, the most of any season listed. Henneman saved 31 games in 1996, the season high.
Frequently Asked Questions about Mike Henneman
- What years did Mike Henneman play?
- Mike Henneman played in Major League Baseball from 1987 to 1996.
- Was Mike Henneman a pitcher?
- Yes. Mike Henneman pitched in the major leagues, recording 57 wins and 533 strikeouts.
- How many home runs did Mike Henneman hit?
- Mike Henneman hit 0 career home runs.
- What was Mike Henneman's career batting average?
- Mike Henneman batted .000 over his career, with 0 hits in 1 at bats.
- What was Mike Henneman's career ERA?
- Mike Henneman finished with a 3.21 career ERA, going 57-42 with 533 strikeouts.
- How many strikeouts did Mike Henneman have?
- Mike Henneman recorded 533 career strikeouts.