Bob Locker
Pitcher · Career Stats, Bio & Records (1965-1975)
Bob Locker was a pitcher who played in Major League Baseball from 1965 to 1975 for 5 teams, including the Chicago White Sox, a span of 11 seasons. Across 576 career appearances, he went 57-39 with a 2.75 ERA, 577 strikeouts, and 95 saves. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 15544.1.
- 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
- B / R
- Height / Weight
- 6'3" / 200 lb
- Died
- 8/15/2022 in Bozeman, MT, USA
- MLB Debut
- 1965-04-14
- Last Game
- 1975-06-20
Full name: Robert Awtry Locker
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1965 | CHA | AL | 5 | 2 | 51 | 0 | 0 | 0 | 2 | 91.1 | 71 | 32 | 30 | 69 | 3.15 | 3.50 (+10%) | 1366.6 |
| 1966 | CHA | AL | 9 | 8 | 56 | 0 | 0 | 0 | 12 | 95.0 | 73 | 26 | 23 | 70 | 2.46 | 3.52 (+30%) | 3103.7 |
| 1967 | CHA | AL | 7 | 5 | 77 | 0 | 0 | 0 | 20 | 124.2 | 102 | 29 | 23 | 80 | 2.09 | 3.30 (+37%) | 2341.0 |
| 1968 | CHA | AL | 5 | 4 | 70 | 0 | 0 | 0 | 10 | 90.1 | 78 | 23 | 27 | 62 | 2.29 | 2.98 (+23%) | 1067.6 |
| 1969 | CHA | AL | 2 | 3 | 17 | 0 | 0 | 0 | 4 | 22.0 | 26 | 16 | 6 | 15 | 6.55 | 3.61 (-81%) | -1042.7 |
| 1969 | SE1 | AL | 3 | 3 | 51 | 0 | 0 | 0 | 6 | 78.1 | 69 | 19 | 26 | 46 | 2.18 | 3.61 (+40%) | 1333.6 |
| 1970 | ML4 | AL | 0 | 1 | 28 | 0 | 0 | 0 | 3 | 31.2 | 37 | 12 | 10 | 19 | 3.41 | 3.89 (+12%) | 490.8 |
| 1970 | OAK | AL | 3 | 3 | 38 | 0 | 0 | 0 | 4 | 56.1 | 49 | 18 | 19 | 33 | 2.88 | 3.89 (+26%) | 1600.2 |
| 1971 | OAK | AL | 7 | 2 | 47 | 0 | 0 | 0 | 6 | 72.1 | 68 | 23 | 19 | 46 | 2.86 | 3.47 (+18%) | 2019.7 |
| 1972 | OAK | AL | 6 | 1 | 56 | 0 | 0 | 0 | 10 | 78.0 | 69 | 23 | 16 | 47 | 2.65 | 3.26 (+19%) | 2399.6 |
| 1973 | CHN | NL | 10 | 6 | 63 | 0 | 0 | 0 | 18 | 106.1 | 96 | 30 | 42 | 76 | 2.54 | 3.75 (+32%) | 1571.4 |
| 1975 | CHN | NL | 0 | 1 | 22 | 0 | 0 | 0 | 0 | 32.2 | 38 | 18 | 16 | 14 | 4.96 | 3.71 (-34%) | -707.4 |
| Career · 12 seasons | 57 | 39 | 576 | 0 | 0 | 0 | 95 | 879.0 | 776 | 269 | 257 | 577 | 2.75 | — | 15,544 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 576 | 95 | 5 | 7 | 0 | 0 | 0 | 0 | 1 | 7 | 61 | .074 | .146 | .074 | .219 | 0 |
Career AVG .074 vs. league average .249 across their career seasons — 70.4% below league average.
Career OBP .146 vs. league average .316 across their career seasons — 53.9% below league average.
Career SLG .074 vs. league average .368 across their career seasons — 80.0% below league average.
Career OPS .219 vs. league average .684 across their career seasons — 67.9% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1965 | CHA | AL | 51 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | .000 | — | — | — | — | 0.0 |
| 1966 | CHA | AL | 56 | 16 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | .250 | — | — | — | — | 0.0 |
| 1967 | CHA | AL | 77 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | .000 | — | — | — | — | 0.0 |
| 1968 | CHA | AL | 70 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | .000 | — | — | — | — | 0.0 |
| 1969 | CHA | AL | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | — | — | — | — | 0.0 |
| 1969 | SE1 | AL | 51 | 12 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | .083 | — | — | — | — | 0.0 |
| 1970 | ML4 | AL | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1970 | OAK | AL | 38 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | .167 | — | — | — | — | 0.0 |
| 1971 | OAK | AL | 47 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | .000 | — | — | — | — | 0.0 |
| 1972 | OAK | AL | 56 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | .000 | — | — | — | — | 0.0 |
| 1973 | CHN | NL | 63 | 15 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 9 | .067 | — | — | — | — | 0.0 |
| 1975 | CHN | NL | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 12 seasons | 576 | 95 | 5 | 7 | 0 | 0 | 0 | 0 | 1 | 7 | 61 | .074 | — | — | — | — | 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.
Postseason Statistics
Game Log & Splits
View full game log (1152 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 277 | 46 | 2 | 4 | 0 | 0 | .087 |
| Away | 299 | 49 | 3 | 3 | 0 | 0 | .061 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 277 | 429.0 | 355 | 122 | 111 | 284 | 2.56 |
| Away | 299 | 450.0 | 421 | 147 | 147 | 293 | 2.94 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1975-06-20 | CHC | STL | — | 3.0 | 2 | 1 | 1 | 1 | 1 | 0 |
| 1975-06-18 | CHC | PHI | L | 1.1 | 5 | 2 | 2 | 0 | 0 | 1 |
| 1975-06-16 | CHC | PHI | — | 0.2 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1975-06-14 | CHC | CIN | — | 2.0 | 4 | 5 | 3 | 2 | 1 | 0 |
| 1975-06-12 | CHC | ATL | — | 1.1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1975-06-09 | CHC | HOU | — | 2.0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1975-06-07 | CHC | CIN | — | 1.1 | 2 | 0 | 0 | 1 | 1 | 0 |
| 1975-06-06 | CHC | CIN | — | 2.0 | 3 | 2 | 2 | 1 | 0 | 0 |
| 1975-06-04 | CHC | SFG | — | 0.2 | 2 | 2 | 2 | 0 | 0 | 1 |
| 1975-06-03 | CHC | SFG | — | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
| Year | Team | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|---|
| 1965 | CHA | P | 51 | 0 | 10 | 28 | 0 | 3 |
| 1966 | CHA | P | 56 | 0 | 11 | 25 | 1 | 1 |
| 1967 | CHA | P | 77 | 0 | 13 | 42 | 3 | 3 |
| 1968 | CHA | P | 70 | 0 | 6 | 25 | 1 | 1 |
| 1969 | CHA | P | 17 | 0 | 1 | 4 | 0 | 0 |
| 1969 | SE1 | P | 51 | 0 | 10 | 19 | 1 | 0 |
| 1970 | ML4 | P | 28 | 0 | 1 | 4 | 1 | 0 |
| 1970 | OAK | P | 38 | 0 | 2 | 13 | 2 | 0 |
| 1971 | OAK | P | 47 | 0 | 3 | 20 | 2 | 0 |
| 1972 | OAK | P | 56 | 0 | 5 | 9 | 1 | 0 |
| 1973 | CHN | P | 63 | 0 | 10 | 21 | 4 | 3 |
| 1975 | CHN | P | 22 | 0 | 5 | 6 | 0 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 576 |
College History
| School Name | City | State | Years Attended |
|---|---|---|---|
| Iowa State University | Ames | IA | 1958, 1959, 1960 |
Most Similar Players
Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.
Bob Locker (highlighted) compared to peers across the same era.
Compare Bob Locker
Bob Locker: the record in brief
According to the bio, Bob Locker debuted on April 14, 1965 and played a final game on June 20, 1975. Club by club, the record runs the Chicago White Sox (1965 to 1969), the Seattle Pilots (1969), the Milwaukee Brewers (1970), the Oakland Athletics (1970 through 1972), and the Chicago Cubs (1973 through 1975). Locker, a pitcher by primary position, switch-hit and threw right-handed. Height and weight on file: 6 feet, 3 inches and 200 pounds. Locker was born on March 15, 1938, in George, IA, USA. Locker's death is recorded on August 15, 2022, in Bozeman, MT, USA. Locker's full given name, per the bio, is Robert Awtry Locker.
Locker pitched in 576 games, starting 0, and finished with a 57-39 record and 2.75 ERA. The totals include 577 strikeouts and 95 saves. Against a 3.51 league ERA for the same years, Locker was 21.6% better. No season topped the 10 wins of 1973. 1967 produced Locker's most strikeouts, 80. Locker saved 20 games in 1967, the season high.
Frequently Asked Questions about Bob Locker
- What years did Bob Locker play?
- Bob Locker played in Major League Baseball from 1965 to 1975.
- Was Bob Locker a pitcher?
- Yes. Bob Locker pitched in the major leagues, recording 57 wins and 577 strikeouts.
- How many home runs did Bob Locker hit?
- Bob Locker hit 0 career home runs with 7 hits.
- What was Bob Locker's career batting average?
- Bob Locker batted .074 over his career, with 7 hits in 95 at bats.
- What was Bob Locker's career ERA?
- Bob Locker finished with a 2.75 career ERA, going 57-39 with 577 strikeouts.
- How many strikeouts did Bob Locker have?
- Bob Locker recorded 577 career strikeouts.