Bill Castro
Pitcher · Career Stats, Bio & Records (1974-1983)
Bill Castro was a pitcher who played in Major League Baseball from 1974 to 1983 for the Milwaukee Brewers, the New York Yankees, and the Kansas City Royals, a span of 10 seasons. Across 303 career appearances, he went 31-26 with a 3.33 ERA, 203 strikeouts, and 45 saves. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 1132.8.
- 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" / 170 lb
- MLB Debut
- 1974-08-20
- Last Game
- 1983-06-25
Full name: William Radhames Castro
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1974 | ML4 | AL | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 18.0 | 19 | 9 | 5 | 10 | 4.50 | 3.63 (-24%) | -52.9 |
| 1975 | ML4 | AL | 3 | 2 | 18 | 5 | 0 | 0 | 1 | 75.0 | 78 | 21 | 17 | 25 | 2.52 | 3.71 (+32%) | 971.5 |
| 1976 | ML4 | AL | 4 | 6 | 39 | 0 | 0 | 0 | 8 | 70.1 | 70 | 27 | 19 | 23 | 3.45 | 3.51 (+2%) | -249.9 |
| 1977 | ML4 | AL | 8 | 6 | 51 | 0 | 0 | 0 | 13 | 69.1 | 76 | 32 | 23 | 28 | 4.15 | 4.00 (-4%) | -565.2 |
| 1978 | ML4 | AL | 5 | 4 | 42 | 0 | 0 | 0 | 8 | 49.2 | 43 | 10 | 14 | 17 | 1.81 | 3.69 (+51%) | 69.2 |
| 1979 | ML4 | AL | 3 | 1 | 39 | 0 | 0 | 0 | 6 | 44.1 | 40 | 10 | 13 | 10 | 2.03 | 4.00 (+49%) | 285.0 |
| 1980 | ML4 | AL | 2 | 4 | 56 | 0 | 0 | 0 | 8 | 84.1 | 89 | 26 | 17 | 32 | 2.77 | 3.84 (+28%) | 1853.5 |
| 1981 | NYA | AL | 1 | 1 | 11 | 0 | 0 | 0 | 0 | 19.0 | 26 | 8 | 5 | 4 | 3.79 | 3.58 (-6%) | -357.9 |
| 1982 | KCA | AL | 3 | 2 | 21 | 4 | 0 | 0 | 1 | 75.2 | 72 | 29 | 20 | 37 | 3.45 | 3.86 (+11%) | -231.5 |
| 1983 | KCA | AL | 2 | 0 | 18 | 0 | 0 | 0 | 0 | 40.2 | 51 | 30 | 12 | 17 | 6.64 | 3.87 (-71%) | -589.1 |
| Career · 10 seasons | 31 | 26 | 303 | 9 | 0 | 0 | 45 | 546.1 | 564 | 202 | 145 | 203 | 3.33 | — | 1,133 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1974 | ML4 | AL | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1975 | ML4 | AL | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1976 | ML4 | AL | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1977 | ML4 | AL | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1978 | ML4 | AL | 42 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1979 | ML4 | AL | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1980 | ML4 | AL | 56 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1981 | NYA | AL | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1982 | KCA | AL | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1983 | KCA | AL | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 10 seasons | 303 | 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 (606 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 150 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 153 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 150 | 284.1 | 297 | 97 | 71 | 99 | 3.07 |
| Away | 153 | 262.0 | 267 | 105 | 74 | 104 | 3.61 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1983-06-25 | KCR | LAA | — | 1.0 | 3 | 3 | 3 | 1 | 1 | 0 |
| 1983-06-23 | KCR | LAA | — | 1.1 | 2 | 2 | 2 | 0 | 0 | 1 |
| 1983-06-20 | KCR | OAK | — | 1.0 | 2 | 0 | 0 | 0 | 0 | 0 |
| 1983-06-19 | KCR | SEA | W | 2.1 | 1 | 0 | 0 | 0 | 2 | 0 |
| 1983-06-15 | KCR | MIN | — | 2.2 | 1 | 0 | 0 | 0 | 2 | 0 |
| 1983-06-13 | KCR | MIN | — | 2.0 | 4 | 1 | 1 | 0 | 0 | 0 |
| 1983-06-09 | KCR | MIN | W | 5.0 | 3 | 0 | 0 | 0 | 2 | 0 |
| 1983-06-04 | KCR | CHW | — | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1983-05-27 | KCR | BAL | — | 3.1 | 3 | 2 | 2 | 1 | 1 | 0 |
| 1983-05-22 | KCR | CHW | — | 3.0 | 6 | 4 | 3 | 2 | 1 | 1 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
| Year | Team | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|---|
| 1974 | ML4 | P | 8 | 0 | 4 | 1 | 0 | 0 |
| 1975 | ML4 | P | 18 | 5 | 9 | 11 | 1 | 1 |
| 1976 | ML4 | P | 39 | 0 | 0 | 11 | 0 | 2 |
| 1977 | ML4 | P | 51 | 0 | 7 | 16 | 3 | 0 |
| 1978 | ML4 | P | 42 | 0 | 3 | 10 | 1 | 0 |
| 1979 | ML4 | P | 39 | 0 | 1 | 7 | 1 | 1 |
| 1980 | ML4 | P | 56 | 0 | 7 | 15 | 3 | 3 |
| 1981 | NYA | P | 11 | 0 | 0 | 3 | 0 | 0 |
| 1982 | KCA | P | 21 | 4 | 6 | 4 | 0 | 0 |
| 1983 | KCA | P | 18 | 0 | 5 | 7 | 3 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 303 |
Most Similar Players
Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.
Bill Castro (highlighted) compared to peers across the same era.
Bill Castro: the record in brief
Between the debut on August 20, 1974 and the final game on June 25, 1983, Bill Castro built the record summarized on this page. The season rows list, in order, the Milwaukee Brewers (1974 through 1980), the New York Yankees (1981), and the Kansas City Royals (1982 to 1983). Castro is listed as a pitcher at 5-foot-11 and 170 pounds. The bio says Castro both batted and threw right-handed. The recorded birth is March 29, 1952, in Santiago, Santiago, D.R. Castro's full given name, per the bio, is William Radhames Castro.
The pitching table credits Castro with a 31-26 record and a 3.33 ERA in 303 games. The same table counts 203 strikeouts and 45 saves. That 3.33 ERA compares with a 3.78 league average across the same seasons, 12.0% better. 1977 brought Castro a season-high 8 wins. The most saves in one season was 13, in 1977. In 1975, one of the busiest seasons, Castro posted a 2.52 ERA; the league figure that year was 3.71. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Castro's career adds up to 1,132.8.
The position breakdown shows 303 games, all at pitcher. On the mound, Castro's fielding totals are 42 putouts, 85 assists and 12 errors.
Frequently Asked Questions about Bill Castro
- What years did Bill Castro play?
- Bill Castro played in Major League Baseball from 1974 to 1983.
- Was Bill Castro a pitcher?
- Yes. Bill Castro pitched in the major leagues, recording 31 wins and 203 strikeouts.
- What teams did Bill Castro play for?
- Bill Castro played for 3 teams: the Milwaukee Brewers (1974–1980), the New York Yankees (1981), and the Kansas City Royals (1982–1983).
- What were Bill Castro's career stats?
- In 303 games, Bill Castro went 31-26 with a 3.33 ERA, 203 strikeouts, 546.1 innings pitched, and 45 saves.
- What position did Bill Castro play?
- Bill Castro played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Bill Castro and how much did he weigh?
- Bill Castro was listed at 5 feet 11 inches and 170 pounds.
- What was Bill Castro's career ERA?
- Bill Castro finished with a 3.33 career ERA, going 31-26 with 203 strikeouts.
- How many strikeouts did Bill Castro have?
- Bill Castro recorded 203 career strikeouts.
- Is Bill Castro in the Hall of Fame?
- No. Bill Castro has not been inducted into the National Baseball Hall of Fame.