Jerry Robertson
Pitcher · Career Stats, Bio & Records (1969-1970)
Jerry Robertson was a pitcher who played in Major League Baseball from 1969 to 1970 for the Montreal Expos and the Detroit Tigers, a span of 2 seasons. Across 49 career appearances, he went 5-16 with a 3.94 ERA and 144 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 18.2.
- 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
- 6'2" / 205 lb
- Died
- 3/24/1996 in Burlington, KS, USA
- MLB Debut
- 1969-04-08
- Last Game
- 1970-06-28
Full name: Jerry Lee Robertson
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1969 | MON | NL | 5 | 16 | 38 | 27 | 3 | 0 | 1 | 179.2 | 186 | 79 | 81 | 133 | 3.96 | 3.61 (-10%) | -290.1 |
| 1970 | DET | AL | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 14.2 | 19 | 6 | 5 | 11 | 3.68 | 3.89 (+5%) | 308.3 |
| Career · 2 seasons | 5 | 16 | 49 | 27 | 3 | 0 | 1 | 194.1 | 205 | 85 | 86 | 144 | 3.94 | — | 18 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 49 | 56 | 3 | 5 | 0 | 0 | 0 | 1 | 0 | 2 | 34 | .089 | .121 | .089 | .210 | -594 |
Career AVG .089 vs. league average .251 across their career seasons — 64.4% below league average.
Career OBP .121 vs. league average .323 across their career seasons — 62.6% below league average.
Career SLG .089 vs. league average .377 across their career seasons — 76.3% below league average.
Career OPS .210 vs. league average .700 across their career seasons — 70.0% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1969 | MON | NL | 38 | 56 | 3 | 5 | 0 | 0 | 0 | 1 | 0 | 2 | 34 | .089 | .248 (-64%) | .320 (-62%) | .369 (-76%) | .689 (-70%) | -594.5 |
| 1970 | DET | AL | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 49 | 56 | 3 | 5 | 0 | 0 | 0 | 1 | 0 | 2 | 34 | .089 | — | — | — | — | -594 | ||
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 (98 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 26 | 20 | 1 | 3 | 0 | 0 | .150 |
| Away | 23 | 36 | 2 | 2 | 0 | 1 | .056 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 26 | 85.0 | 89 | 39 | 33 | 60 | 4.13 |
| Away | 23 | 109.1 | 116 | 46 | 53 | 84 | 3.79 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-06-28 | DET | CLE | — | 2.0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1970-06-17 | DET | OAK | — | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1970-05-12 | DET | CHW | — | 1.1 | 3 | 3 | 3 | 2 | 2 | 0 |
| 1970-05-11 | DET | CHW | — | 1.0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 1970-05-10 | DET | KCR | — | 1.1 | 1 | 0 | 0 | 0 | 1 | 0 |
| 1970-05-08 | DET | KCR | — | 3.0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 1970-05-07 | DET | MIN | — | 0.0 | 2 | 1 | 1 | 0 | 0 | 1 |
| 1970-05-05 | DET | MIN | — | 2.0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 1970-05-01 | DET | CHW | — | 1.0 | 3 | 3 | 1 | 2 | 0 | 0 |
| 1970-04-26 | DET | MIN | — | 2.1 | 4 | 1 | 1 | 0 | 2 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 49 |
College History
| School Name | City | State | Years Attended |
|---|---|---|---|
| Washburn University | Topeka | KS | 1963, 1964, 1965 |
Jerry Robertson: the record in brief
The profile opens with Jerry Robertson's first major league game on April 8, 1969; the last one listed came on June 28, 1970. The season rows list, in order, the Montreal Expos (1969) and the Detroit Tigers (1970). Robertson is listed as a pitcher at 205 pounds on a 6-foot-2 frame. The bio says Robertson switch-hit and threw right-handed. The recorded birth is October 13, 1943, in Winchester, KS, USA. Robertson's death is recorded on March 24, 1996, in Burlington, KS, USA. The given name on file is Jerry Lee Robertson.
Robertson went 5-16 with a 3.94 ERA in 49 games, 27 of them starts. Also on Robertson's record: 144 strikeouts. Robertson's 3.94 ERA was close to the 3.75 league figure for those seasons. 1969 brought Robertson a season-high 5 wins. Among the heaviest workloads, the lowest ERA was 3.96 in 1969, when the league's was 3.61. Pitcher PIV, the site's era-adjusted run-prevention measure, totals 18.2 for Robertson's career.
Frequently Asked Questions about Jerry Robertson
- What years did Jerry Robertson play?
- Jerry Robertson played in Major League Baseball from 1969 to 1970.
- Was Jerry Robertson a pitcher?
- Yes. Jerry Robertson pitched in the major leagues, recording 5 wins and 144 strikeouts.
- How many home runs did Jerry Robertson hit?
- Jerry Robertson hit 0 career home runs with 5 hits.
- What teams did Jerry Robertson play for?
- Jerry Robertson played for 2 teams: the Montreal Expos (1969) and the Detroit Tigers (1970).
- What were Jerry Robertson's career stats?
- In 49 games, Jerry Robertson went 5-16 with a 3.94 ERA, 144 strikeouts, 194.1 innings pitched, and 1 saves.
- What position did Jerry Robertson play?
- Jerry Robertson played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Jerry Robertson and how much did he weigh?
- Jerry Robertson was listed at 6 feet 2 inches and 205 pounds.
- What was Jerry Robertson's career ERA?
- Jerry Robertson finished with a 3.94 career ERA, going 5-16 with 144 strikeouts.
- How many strikeouts did Jerry Robertson have?
- Jerry Robertson recorded 144 career strikeouts.
- Is Jerry Robertson in the Hall of Fame?
- No. Jerry Robertson has not been inducted into the National Baseball Hall of Fame.