Jack Killilay
Pitcher · Career Stats, Bio & Records (1911)
Jack Killilay was a pitcher who played in Major League Baseball in 1911 for the Boston Red Sox. Across 14 career appearances, he went 4-2 with a 3.54 ERA and 28 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
- 5'11" / 165 lb
- Died
- 10/21/1968 in Tulsa, OK, USA
- MLB Debut
- 1911-05-13
- Last Game
- 1911-09-22
Full name: John William Killilay
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | BOS | AL | 4 | 2 | 14 | 7 | 1 | 0 | 0 | 61.0 | 65 | 24 | 36 | 28 | 3.54 | 3.37 (-5%) | -1177.1 |
| Career · 1 season | 4 | 2 | 14 | 7 | 1 | 0 | 0 | 61.0 | 65 | 24 | 36 | 28 | 3.54 | — | -1,177 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14 | 24 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 18 | .042 | .115 | .083 | .199 | 0 |
Career AVG .042 vs. league average .267 across their career seasons — 84.4% below league average.
Career OBP .115 vs. league average .336 across their career seasons — 65.7% below league average.
Career SLG .083 vs. league average .357 across their career seasons — 76.6% below league average.
Career OPS .199 vs. league average .693 across their career seasons — 71.3% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | BOS | AL | 14 | 24 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 18 | .042 | — | — | — | — | 0.0 |
| Career · 1 season | 14 | 24 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 18 | .042 | — | — | — | — | 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 (28 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 6 | 13 | 0 | 0 | 0 | 0 | .000 |
| Away | 8 | 11 | 0 | 1 | 0 | 1 | .091 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 6 | 35.2 | 30 | 8 | 20 | 14 | 2.02 |
| Away | 8 | 30.1 | 35 | 16 | 19 | 12 | 4.75 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911-09-22 | BOS | DET | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1911-09-08 | BOS | PHA | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1911-08-18 | BOS | DET | W | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1911-08-12 | BOS | PHA | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1911-08-08 | BOS | CLE | W | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| 1911-08-04 | BOS | DET | W | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1911-07-31 | BOS | SLA | L | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1911-07-18 | BOS | DET | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1911-07-15 | BOS | DET | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1911-07-04 | BOS | MIN | W | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1911-09-22 | BOS | DET | — | 1.0 | 1 | 2 | 2 | 3 | 0 | 0 |
| 1911-09-08 | BOS | PHA | L | 4.2 | 7 | 4 | 4 | 2 | 0 | 0 |
| 1911-08-18 | BOS | DET | — | 1.0 | 1 | 1 | 0 | 2 | 0 | 0 |
| 1911-08-12 | BOS | PHA | L | 5.1 | 6 | 3 | 3 | 4 | 3 | 0 |
| 1911-08-08 | BOS | CLE | W | 8.1 | 7 | 4 | 4 | 7 | 5 | 0 |
| 1911-08-04 | BOS | DET | W | 6.0 | 4 | 0 | 0 | 0 | 2 | 0 |
| 1911-07-31 | BOS | SLA | — | 7.0 | 5 | 0 | 0 | 3 | 2 | 0 |
| 1911-07-18 | BOS | DET | — | 0.2 | 4 | 3 | 3 | 2 | 0 | 0 |
| 1911-07-15 | BOS | DET | — | 4.0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 1911-07-04 | BOS | MIN | — | 4.1 | 4 | 1 | 1 | 2 | 0 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 14 |
Jack Killilay: the record in brief
Jack Killilay's major league career runs from a debut on May 13, 1911 to a final game on September 22, 1911. Killilay's only club in the season tables is the Boston Red Sox. Killilay, born on May 24, 1887, in Leavenworth, KS, USA, is listed as a pitcher and batted and threw right-handed. Killilay's listed size is 5 feet, 11 inches and 165 pounds. Killilay's death is recorded on October 21, 1968, in Tulsa, OK, USA. The bio lists the given name John William.
Killilay pitched in 14 games, starting 7, and finished with a 4-2 record and 3.54 ERA. The same table counts 28 strikeouts. Killilay's 3.54 ERA was close to the 3.37 league figure for those seasons. Killilay's only pitching season is 1911: 14 games, 28 strikeouts.
The game-log section draws on 28 games of Retrosheet box scores for Killilay.
Every defensive appearance on record for Killilay, 14 games, came at pitcher. Fielding on the mound produced 1 putouts and 17 assists against 0 errors.
Frequently Asked Questions about Jack Killilay
- Was Jack Killilay a pitcher?
- Yes. Jack Killilay pitched in the major leagues, recording 4 wins and 28 strikeouts.
- How many home runs did Jack Killilay hit?
- Jack Killilay hit 0 career home runs with 1 hit.
- What teams did Jack Killilay play for?
- Jack Killilay played for one team, the Boston Red Sox (1911).
- What were Jack Killilay's career stats?
- In 14 games, Jack Killilay went 4-2 with a 3.54 ERA, 28 strikeouts, and 61.0 innings pitched.
- What position did Jack Killilay play?
- Jack Killilay played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Jack Killilay and how much did he weigh?
- Jack Killilay was listed at 5 feet 11 inches and 165 pounds.
- What was Jack Killilay's career ERA?
- Jack Killilay finished with a 3.54 career ERA, going 4-2 with 28 strikeouts.
- How many strikeouts did Jack Killilay have?
- Jack Killilay recorded 28 career strikeouts.
- Is Jack Killilay in the Hall of Fame?
- No. Jack Killilay has not been inducted into the National Baseball Hall of Fame.