Willie Mueller
Pitcher · Career Stats, Bio & Records (1978-1981)
Willie Mueller was a pitcher who played in Major League Baseball from 1978 to 1981 for the Milwaukee Brewers, a span of 4 seasons. Across 6 career appearances, he went 1-0 with a 6.14 ERA and 7 strikeouts.
- 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" / 220 lb
- MLB Debut
- 1978-08-12
- Last Game
- 1981-09-20
Full name: Willard Lawrence Mueller
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | ML4 | AL | 1 | 0 | 5 | 0 | 0 | 0 | 0 | 12.2 | 16 | 9 | 6 | 6 | 6.39 | 3.69 (-73%) | -126.0 |
| 1981 | ML4 | AL | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2.0 | 4 | 1 | 0 | 1 | 4.50 | — | 0.0 |
| Career · 2 seasons | 1 | 0 | 6 | 0 | 0 | 0 | 0 | 14.2 | 20 | 10 | 6 | 7 | 6.14 | — | -126 | ||
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.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | ML4 | AL | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1981 | ML4 | AL | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | 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 (12 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 3 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 3 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 3 | 8.0 | 8 | 4 | 6 | 2 | 4.50 |
| Away | 3 | 6.2 | 12 | 6 | 0 | 5 | 8.10 |
Last 6 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1981-09-20 | MIL | BAL | — | 2.0 | 4 | 1 | 1 | 0 | 1 | 0 |
| 1978-09-15 | MIL | MIN | — | 2.2 | 6 | 3 | 3 | 2 | 2 | 0 |
| 1978-08-31 | MIL | CLE | — | 1.0 | 5 | 3 | 3 | 0 | 0 | 0 |
| 1978-08-24 | MIL | CLE | — | 2.0 | 1 | 2 | 1 | 2 | 0 | 0 |
| 1978-08-22 | MIL | CLE | W | 3.1 | 1 | 0 | 0 | 2 | 0 | 0 |
| 1978-08-12 | MIL | BOS | — | 3.2 | 3 | 3 | 2 | 0 | 4 | 1 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 6 |
Willie Mueller: the record in brief
Between the debut on August 12, 1978 and the final game on September 20, 1981, Willie Mueller built the record summarized on this page. The team column never changes: it is the Milwaukee Brewers from 1978 to 1981. Listed as a pitcher, Mueller both batted and threw right-handed. Height and weight on file: 6'4" and 220 pounds. Mueller was born on August 30, 1956, in West Bend, WI, USA. On the record, Willie Mueller was born Willard Lawrence Mueller.
The pitching table credits Mueller with a 1-0 record and a 6.14 ERA in 6 games. The totals include 7 strikeouts. The league ERA over Mueller's seasons was 3.65, so the 6.14 figure ran 68.3% worse than average. 1978 was Mueller's sharpest full season, a 6.39 ERA against the league's 3.69.
Mueller appears at one position only: pitcher, in 6 games.
The game-log section draws on 12 games of Retrosheet box scores for Mueller.
Frequently Asked Questions about Willie Mueller
- What years did Willie Mueller play?
- Willie Mueller played in Major League Baseball from 1978 to 1981.
- Was Willie Mueller a pitcher?
- Yes. Willie Mueller pitched in the major leagues, recording 1 wins and 7 strikeouts.
- What teams did Willie Mueller play for?
- Willie Mueller played for one team, the Milwaukee Brewers (1978, 1981).
- What were Willie Mueller's career stats?
- In 6 games, Willie Mueller went 1-0 with a 6.14 ERA, 7 strikeouts, and 14.2 innings pitched.
- What position did Willie Mueller play?
- Willie Mueller played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Willie Mueller and how much did he weigh?
- Willie Mueller was listed at 6 feet 4 inches and 220 pounds.
- What was Willie Mueller's career ERA?
- Willie Mueller finished with a 6.14 career ERA, going 1-0 with 7 strikeouts.
- How many strikeouts did Willie Mueller have?
- Willie Mueller recorded 7 career strikeouts.
- Is Willie Mueller in the Hall of Fame?
- No. Willie Mueller has not been inducted into the National Baseball Hall of Fame.