R. J. Alaniz
Pitcher · Career Stats, Bio & Records (2019-2021)
R. J. Alaniz was a pitcher who played in Major League Baseball from 2019 to 2021 for the Seattle Mariners and the Cincinnati Reds, a span of 3 seasons. Across 15 career appearances, he went 1-0 with a 8.35 ERA and 16 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 427.6.
- 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
- 6'4" / 220 lb
- MLB Debut
- 2019-04-12
- Last Game
- 2021-07-23
Full name: Ruben Alaniz
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | SEA | AL | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 4.0 | 11 | 9 | 3 | 6 | 20.25 | — | 0.0 |
| 2019 | CIN | NL | 1 | 0 | 8 | 0 | 0 | 0 | 0 | 11.2 | 8 | 7 | 4 | 7 | 5.40 | 4.51 (-20%) | 427.6 |
| 2021 | CIN | NL | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 2.2 | 1 | 1 | 3 | 3 | 3.38 | — | 0.0 |
| Career · 3 seasons | 1 | 0 | 15 | 0 | 0 | 0 | 0 | 18.1 | 20 | 17 | 10 | 16 | 8.35 | — | 428 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | .500 | .500 | .500 | 1.000 | 0 |
Career AVG .500 vs. league average .248 across their career seasons — +101.5% above league average.
Career OBP .500 vs. league average .320 across their career seasons — +56.3% above league average.
Career SLG .500 vs. league average .423 across their career seasons — +18.2% above league average.
Career OPS 1.000 vs. league average .743 across their career seasons — +34.6% above 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | SEA | AL | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2019 | CIN | NL | 8 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.000 | — | — | — | — | 0.0 |
| 2021 | CIN | NL | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | — | — | — | — | 0.0 |
| Career · 3 seasons | 15 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | .500 | — | — | — | — | 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 (30 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 8 | 1 | 0 | 0 | 0 | 0 | .000 |
| Away | 7 | 1 | 0 | 1 | 0 | 1 | 1.000 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 8 | 8.1 | 7 | 7 | 7 | 8 | 7.56 |
| Away | 7 | 10.0 | 13 | 10 | 3 | 8 | 9.00 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021-07-23 | CIN | STL | W | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021-07-21 | CIN | NYN | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021-07-19 | CIN | NYN | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2019-09-28 | CIN | PIT | W | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2019-09-16 | CIN | CHC | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019-09-06 | CIN | AZ | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019-09-03 | CIN | PHI | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019-08-31 | CIN | STL | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019-08-25 | CIN | PIT | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019-08-24 | CIN | PIT | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-07-23 | CIN | STL | — | 0.0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2021-07-21 | CIN | NYN | — | 1.1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2021-07-19 | CIN | NYN | — | 1.1 | 1 | 1 | 1 | 1 | 3 | 1 |
| 2019-09-28 | CIN | PIT | W | 2.0 | 1 | 0 | 0 | 1 | 1 | 0 |
| 2019-09-16 | CIN | CHC | — | 1.1 | 2 | 3 | 3 | 1 | 2 | 0 |
| 2019-09-06 | CIN | AZ | — | 0.1 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2019-09-03 | CIN | PHI | — | 1.2 | 1 | 2 | 2 | 2 | 0 | 0 |
| 2019-08-31 | CIN | STL | — | 2.2 | 3 | 2 | 2 | 0 | 0 | 0 |
| 2019-08-25 | CIN | PIT | — | 2.0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 2019-08-24 | CIN | PIT | — | 0.2 | 1 | 0 | 0 | 0 | 1 | 0 |
Fielding Statistics
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 15 |
R. J. Alaniz: the record in brief
R. J. Alaniz's major league career runs from a debut on April 12, 2019 to a final game on July 23, 2021. The team column moves through the Seattle Mariners (2019) and the Cincinnati Reds (2019 to 2021). Alaniz played primarily as a pitcher and both batted and threw right-handed. The bio adds a birth date on June 14, 1991, in McAllen, TX, USA and a listed size of 6'4" and 220 pounds. R. J. Alaniz was the playing name; the full given name is Ruben.
The pitching table credits Alaniz with a 1-0 record and a 8.35 ERA in 15 games. Alaniz had 16 strikeouts. Against a 4.39 league ERA for the same seasons, the 8.35 mark was 90.2% worse. In 2019, one of the busiest seasons, Alaniz posted a 5.40 ERA; the league figure that year was 4.51. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Alaniz's career adds up to 427.6.
Frequently Asked Questions about R. J. Alaniz
- What years did R. J. Alaniz play?
- R. J. Alaniz played in Major League Baseball from 2019 to 2021.
- Was R. J. Alaniz a pitcher?
- Yes. R. J. Alaniz pitched in the major leagues, recording 1 wins and 16 strikeouts.
- How many home runs did R. J. Alaniz hit?
- R. J. Alaniz hit 0 career home runs with 1 hit.
- What teams did R. J. Alaniz play for?
- R. J. Alaniz played for 2 teams: the Seattle Mariners (2019) and the Cincinnati Reds (2019, 2021).
- What were R. J. Alaniz's career stats?
- In 15 games, R. J. Alaniz went 1-0 with a 8.35 ERA, 16 strikeouts, and 18.1 innings pitched.
- What position did R. J. Alaniz play?
- R. J. Alaniz played primarily as a pitcher, the position where he appeared in the most games.
- How tall was R. J. Alaniz and how much did he weigh?
- R. J. Alaniz was listed at 6 feet 4 inches and 220 pounds.
- What was R. J. Alaniz's career ERA?
- R. J. Alaniz finished with a 8.35 career ERA, going 1-0 with 16 strikeouts.
- How many strikeouts did R. J. Alaniz have?
- R. J. Alaniz recorded 16 career strikeouts.
- Is R. J. Alaniz in the Hall of Fame?
- No. R. J. Alaniz has not been inducted into the National Baseball Hall of Fame.