Willie Jensen
Pitcher · Career Stats, Bio & Records (1912-1914)
Willie Jensen was a pitcher who played in Major League Baseball from 1912 to 1914 for the Detroit Tigers and the Philadelphia Athletics, a span of 3 seasons. Across 6 career appearances, he went 1-3 with a 3.64 ERA and 9 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
- L / R
- Height / Weight
- 5'11" / 170 lb
- Died
- 3/27/1917 in Philadelphia, PA, USA
- MLB Debut
- 1912-09-10
- Last Game
- 1914-10-02
Full name: William Christian Jensen
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1912 | DET | AL | 1 | 2 | 5 | 4 | 1 | 0 | 0 | 33.0 | 43 | 15 | 18 | 8 | 4.09 | 3.36 (-22%) | -1017.1 |
| 1914 | PHA | AL | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 9.0 | 7 | 2 | 2 | 1 | 2.00 | 2.93 (+32%) | 0.0 |
| Career · 2 seasons | 1 | 3 | 6 | 5 | 2 | 0 | 0 | 42.0 | 50 | 17 | 20 | 9 | 3.64 | — | -1,017 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | .000 | .071 | .000 | .071 | 0 |
Career AVG .000 vs. league average .261 across their career seasons — 100.0% below league average.
Career OBP .071 vs. league average .328 across their career seasons — 78.2% below league average.
Career SLG .000 vs. league average .347 across their career seasons — 100.0% below league average.
Career OPS .071 vs. league average .675 across their career seasons — 89.4% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1912 | DET | AL | 5 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | .000 | — | — | — | — | 0.0 |
| 1914 | PHA | AL | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 6 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | .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 (12 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 6 | 13 | 1 | 0 | 0 | 1 | .000 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 6 | 42.0 | 50 | 21 | 20 | 9 | 4.50 |
Last 6 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1914-10-02 | PHA | MIN | L | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1912-10-02 | DET | CHW | L | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1912-09-24 | DET | CLE | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1912-09-18 | DET | NYY | W | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| 1912-09-15 | DET | MIN | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1912-09-10 | DET | PHA | W | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
Last 6 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1914-10-02 | PHA | MIN | L | 9.0 | 7 | 4 | 3 | 2 | 1 | 1 |
| 1912-10-02 | DET | CHW | L | 8.0 | 13 | 8 | 7 | 4 | 4 | 0 |
| 1912-09-24 | DET | CLE | L | 8.0 | 10 | 6 | 4 | 5 | 3 | 0 |
| 1912-09-18 | DET | NYY | W | 9.0 | 14 | 4 | 4 | 2 | 0 | 0 |
| 1912-09-15 | DET | MIN | — | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1912-09-10 | DET | PHA | — | 7.0 | 5 | 5 | 3 | 7 | 1 | 1 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 6 |
Willie Jensen: the record in brief
Willie Jensen played a first major league game on September 10, 1912 and a last one on October 2, 1914. Club by club, the record runs the Detroit Tigers (1912) and the Philadelphia Athletics (1914). Jensen played primarily as a pitcher and batted left-handed and threw right-handed. Born on November 17, 1889, in Philadelphia, PA, USA, Jensen was listed at 5 feet, 11 inches and 170 pounds. Jensen died on March 27, 1917, in Philadelphia, PA, USA. Jensen's full given name, per the bio, is William Christian Jensen.
Jensen went 1-3 with a 3.64 ERA in 6 games, 5 of them starts. The same table counts 9 strikeouts. The league ERA over Jensen's seasons was 3.10, so the 3.64 figure ran 17.5% worse than average. 1912 was Jensen's sharpest full season, a 4.09 ERA against the league's 3.36.
The game-log section draws on 12 games of Retrosheet box scores for Jensen.
The position breakdown shows 6 games, all at pitcher.
Frequently Asked Questions about Willie Jensen
- What years did Willie Jensen play?
- Willie Jensen played in Major League Baseball from 1912 to 1914.
- Was Willie Jensen a pitcher?
- Yes. Willie Jensen pitched in the major leagues, recording 1 wins and 9 strikeouts.
- How many home runs did Willie Jensen hit?
- Willie Jensen hit 0 career home runs.
- What teams did Willie Jensen play for?
- Willie Jensen played for 2 teams: the Detroit Tigers (1912) and the Philadelphia Athletics (1914).
- What were Willie Jensen's career stats?
- In 6 games, Willie Jensen went 1-3 with a 3.64 ERA, 9 strikeouts, and 42.0 innings pitched.
- What position did Willie Jensen play?
- Willie Jensen played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Willie Jensen and how much did he weigh?
- Willie Jensen was listed at 5 feet 11 inches and 170 pounds.
- What was Willie Jensen's career ERA?
- Willie Jensen finished with a 3.64 career ERA, going 1-3 with 9 strikeouts.
- How many strikeouts did Willie Jensen have?
- Willie Jensen recorded 9 career strikeouts.
- Is Willie Jensen in the Hall of Fame?
- No. Willie Jensen has not been inducted into the National Baseball Hall of Fame.