Arnold Leon
Pitcher · Career Stats, Bio & Records (2015-2016)
Arnold Leon was a pitcher who played in Major League Baseball from 2015 to 2016 for the Athletics and the Toronto Blue Jays, a span of 2 seasons. Across 21 career appearances, he went 0-2 with a 4.66 ERA and 21 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
- 6'1" / 210 lb
- MLB Debut
- 2015-04-22
- Last Game
- 2016-04-09
Full name: Alex Arnold Leon
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | OAK | AL | 0 | 2 | 19 | 0 | 0 | 0 | 0 | 26.2 | 30 | 13 | 9 | 19 | 4.39 | 3.96 (-11%) | -148.1 |
| 2016 | TOR | AL | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2.1 | 3 | 2 | 1 | 2 | 7.71 | — | 0.0 |
| Career · 2 seasons | 0 | 2 | 21 | 0 | 0 | 0 | 0 | 29.0 | 33 | 15 | 10 | 21 | 4.66 | — | -148 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | OAK | AL | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2016 | TOR | AL | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 21 | 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 (42 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 11 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 10 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 11 | 20.1 | 20 | 9 | 8 | 12 | 3.98 |
| Away | 10 | 8.2 | 13 | 6 | 2 | 9 | 6.23 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2016-04-09 | TOR | BOS | — | 2.0 | 2 | 1 | 1 | 1 | 2 | 0 |
| 2016-04-06 | TOR | TBR | — | 0.1 | 1 | 1 | 1 | 0 | 0 | 1 |
| 2015-10-03 | OAK | SEA | — | 0.0 | 1 | 1 | 1 | 0 | 0 | 0 |
| 2015-09-27 | OAK | SFG | — | 2.2 | 1 | 0 | 0 | 1 | 2 | 0 |
| 2015-09-24 | OAK | TEX | — | 0.1 | 1 | 0 | 0 | 1 | 0 | 0 |
| 2015-09-23 | OAK | TEX | — | 2.1 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2015-09-16 | OAK | CHW | — | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2015-09-14 | OAK | CHW | L | 0.2 | 2 | 1 | 1 | 1 | 1 | 0 |
| 2015-09-13 | OAK | TEX | — | 1.0 | 3 | 1 | 1 | 0 | 0 | 0 |
| 2015-09-09 | OAK | HOU | — | 1.0 | 1 | 1 | 0 | 1 | 1 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 21 |
Salary History
| Year | Team | League | Salary |
|---|---|---|---|
| 2016 | TOR | AL | $510,500 |
| Total Career Earnings | $510,500 | ||
Arnold Leon: the record in brief
Arnold Leon's major league career runs from a debut on April 22, 2015 to a final game on April 9, 2016. Club by club, the record runs the Oakland Athletics (2015) and the Toronto Blue Jays (2016). Leon is listed as a pitcher at 6 feet, 1 inch and 210 pounds. The bio says Leon threw and hit right-handed. The recorded birth is September 6, 1988, in Culiacan, Sinaloa, México. Leon's full given name, per the bio, is Alex Arnold Leon.
The pitching table credits Leon with a 0-2 record and a 4.66 ERA in 21 games. The same table counts 21 strikeouts. Against a 4.08 league ERA for the same seasons, the 4.66 mark was 14.2% worse. Among the heaviest workloads, the lowest ERA was 4.39 in 2015, when the league's was 3.96.
Every defensive appearance on record for Leon, 21 games, came at pitcher. Fielding on the mound produced 4 putouts and 1 assists against 0 errors.
The one salary on file is $510,500, for 2016. The game-log section draws on 42 games of Retrosheet box scores for Leon.
Frequently Asked Questions about Arnold Leon
- What years did Arnold Leon play?
- Arnold Leon played in Major League Baseball from 2015 to 2016.
- Was Arnold Leon a pitcher?
- Yes. Arnold Leon pitched in the major leagues, recording 0 wins and 21 strikeouts.
- What was Arnold Leon's career ERA?
- Arnold Leon finished with a 4.66 career ERA, going 0-2 with 21 strikeouts.
- How many strikeouts did Arnold Leon have?
- Arnold Leon recorded 21 career strikeouts.
- Is Arnold Leon in the Hall of Fame?
- No. Arnold Leon has not been inducted into the National Baseball Hall of Fame.
- What teams did Arnold Leon play for?
- Arnold Leon played for the Athletics and the Toronto Blue Jays.