Don Mossi
Pitcher · Career Stats, Bio & Records (1954-1965)
Don Mossi was a pitcher who played in Major League Baseball from 1954 to 1965 for 4 teams, including the Cleveland Guardians, a span of 12 seasons. Across 460 career appearances, he went 101-80 with a 3.43 ERA, 932 strikeouts, and 50 saves. He also batted .163 with 2 home runs. Don Mossi was an All-Star. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 18473.1.
- 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
- L / L
- Height / Weight
- 6'1" / 195 lb
- Died
- 7/19/2019 in Nampa, ID, USA
- MLB Debut
- 1954-04-17
- Last Game
- 1965-10-01
- Awards
- All-Star
Full name: Donald Louis Mossi
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1954 | CLE | AL | 6 | 1 | 40 | 5 | 2 | 0 | 7 | 93.0 | 56 | 20 | 39 | 55 | 1.94 | 3.90 (+50%) | 1643.1 |
| 1955 | CLE | AL | 4 | 3 | 57 | 1 | 0 | 0 | 9 | 81.2 | 81 | 22 | 18 | 69 | 2.42 | 4.00 (+39%) | 4125.4 |
| 1956 | CLE | AL | 6 | 5 | 48 | 3 | 0 | 0 | 11 | 87.2 | 79 | 35 | 33 | 59 | 3.59 | 3.96 (+9%) | 1983.0 |
| 1957 | CLE | AL | 11 | 10 | 36 | 22 | 6 | 1 | 2 | 159.0 | 165 | 73 | 57 | 97 | 4.13 | 3.83 (-8%) | 720.4 |
| 1958 | CLE | AL | 7 | 8 | 43 | 5 | 0 | 0 | 3 | 101.2 | 106 | 44 | 30 | 55 | 3.90 | 3.86 (-1%) | 1809.5 |
| 1959 | DET | AL | 17 | 9 | 34 | 30 | 15 | 3 | 0 | 228.0 | 210 | 85 | 49 | 125 | 3.36 | 3.90 (+14%) | 3785.6 |
| 1960 | DET | AL | 9 | 8 | 23 | 22 | 9 | 2 | 0 | 158.1 | 158 | 61 | 32 | 69 | 3.47 | 3.82 (+9%) | 576.0 |
| 1961 | DET | AL | 15 | 7 | 35 | 34 | 12 | 1 | 1 | 240.1 | 237 | 79 | 47 | 137 | 2.96 | 4.03 (+27%) | 2756.3 |
| 1962 | DET | AL | 11 | 13 | 35 | 27 | 8 | 1 | 1 | 180.1 | 195 | 84 | 36 | 121 | 4.19 | 3.96 (-6%) | 1563.5 |
| 1963 | DET | AL | 7 | 7 | 24 | 16 | 3 | 0 | 2 | 122.2 | 110 | 51 | 17 | 68 | 3.74 | 3.46 (-8%) | -1669.9 |
| 1964 | CHA | AL | 3 | 1 | 34 | 0 | 0 | 0 | 7 | 40.0 | 37 | 13 | 7 | 36 | 2.92 | 3.58 (+18%) | -749.4 |
| 1965 | KC1 | AL | 5 | 8 | 51 | 0 | 0 | 0 | 7 | 55.1 | 59 | 23 | 20 | 41 | 3.74 | 3.50 (-7%) | 1929.6 |
| Career · 12 seasons | 101 | 80 | 460 | 165 | 55 | 8 | 50 | 1,548.0 | 1,493 | 590 | 385 | 932 | 3.43 | — | 18,473 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 463 | 436 | 30 | 71 | 10 | 1 | 2 | 29 | 0 | 43 | 152 | .163 | .238 | .204 | .442 | -1,770 |
Career AVG .163 vs. league average .255 across their career seasons — 36.1% below league average.
Career OBP .238 vs. league average .323 across their career seasons — 26.2% below league average.
Career SLG .204 vs. league average .388 across their career seasons — 47.3% below league average.
Career OPS .442 vs. league average .710 across their career seasons — 37.7% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1954 | CLE | AL | 40 | 19 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 10 | .158 | — | — | — | — | 0.0 |
| 1955 | CLE | AL | 57 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | .111 | — | — | — | — | 0.0 |
| 1956 | CLE | AL | 48 | 20 | 1 | 3 | 2 | 0 | 0 | 2 | 0 | 2 | 10 | .150 | — | — | — | — | 0.0 |
| 1957 | CLE | AL | 36 | 55 | 4 | 12 | 0 | 1 | 0 | 1 | 0 | 4 | 12 | .218 | .257 (-15%) | .323 (-18%) | .391 (-35%) | .715 (-27%) | -240.9 |
| 1958 | CLE | AL | 43 | 26 | 3 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 13 | .115 | — | — | — | — | 0.0 |
| 1959 | DET | AL | 36 | 77 | 6 | 13 | 4 | 0 | 1 | 8 | 0 | 3 | 28 | .169 | .256 (-34%) | .323 (-39%) | .392 (-34%) | .715 (-36%) | -464.6 |
| 1960 | DET | AL | 23 | 43 | 0 | 5 | 0 | 0 | 0 | 2 | 0 | 7 | 12 | .116 | — | — | — | — | -299.2 |
| 1961 | DET | AL | 35 | 79 | 8 | 13 | 2 | 0 | 1 | 8 | 0 | 6 | 28 | .165 | .258 (-36%) | .328 (-32%) | .399 (-43%) | .727 (-38%) | -480.1 |
| 1962 | DET | AL | 36 | 55 | 5 | 9 | 0 | 0 | 0 | 3 | 0 | 10 | 20 | .164 | .257 (-36%) | .326 (-10%) | .393 (-58%) | .719 (-37%) | -285.1 |
| 1963 | DET | AL | 24 | 39 | 2 | 8 | 2 | 0 | 0 | 4 | 0 | 6 | 12 | .205 | — | — | — | — | 0.0 |
| 1964 | CHA | AL | 34 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | .167 | — | — | — | — | 0.0 |
| 1965 | KC1 | AL | 51 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | — | — | — | — | 0.0 |
| Career · 12 seasons | 463 | 436 | 30 | 71 | 10 | 1 | 2 | 29 | 0 | 43 | 152 | .163 | — | — | — | — | -1,770 | ||
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 (923 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 226 | 220 | 16 | 34 | 1 | 17 | .155 |
| Away | 237 | 216 | 14 | 37 | 1 | 11 | .171 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 223 | 805.2 | 754 | 316 | 196 | 481 | 3.53 |
| Away | 237 | 742.1 | 739 | 274 | 189 | 450 | 3.32 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1965-10-01 | KC1 | CHW | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-28 | KC1 | TEX | W | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-25 | KC1 | BOS | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-23 | KC1 | TEX | W | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-21 | KC1 | TEX | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-19 | KC1 | BOS | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-15 | KC1 | MIN | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-10 | KC1 | BAL | W | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-09 | KC1 | LAA | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-08 | KC1 | LAA | 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1965-10-01 | KC1 | CHW | L | 0.1 | 1 | 2 | 2 | 1 | 0 | 0 |
| 1965-09-28 | KC1 | TEX | SV | 3.2 | 3 | 1 | 0 | 0 | 3 | 0 |
| 1965-09-25 | KC1 | BOS | L | 0.1 | 1 | 1 | 1 | 0 | 1 | 0 |
| 1965-09-23 | KC1 | TEX | — | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-21 | KC1 | TEX | — | 0.2 | 1 | 0 | 0 | 1 | 1 | 0 |
| 1965-09-19 | KC1 | BOS | — | 0.1 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1965-09-15 | KC1 | MIN | — | 0.2 | 1 | 0 | 0 | 0 | 1 | 0 |
| 1965-09-10 | KC1 | BAL | SV | 1.1 | 2 | 0 | 0 | 0 | 0 | 0 |
| 1965-09-09 | KC1 | LAA | — | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 |
| 1965-09-08 | KC1 | LAA | — | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
| Year | Team | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|---|
| 1954 | CLE | P | 40 | 5 | 4 | 11 | 0 | 1 |
| 1955 | CLE | P | 57 | 1 | 7 | 19 | 0 | 2 |
| 1956 | CLE | P | 48 | 3 | 3 | 15 | 1 | 1 |
| 1957 | CLE | P | 36 | 22 | 7 | 21 | 0 | 2 |
| 1958 | CLE | P | 43 | 5 | 8 | 17 | 0 | 1 |
| 1959 | DET | P | 34 | 30 | 12 | 38 | 1 | 5 |
| 1960 | DET | P | 23 | 22 | 2 | 27 | 0 | 2 |
| 1961 | DET | P | 35 | 34 | 7 | 40 | 1 | 8 |
| 1962 | DET | P | 35 | 27 | 9 | 19 | 0 | 3 |
| 1963 | DET | P | 24 | 16 | 6 | 20 | 0 | 1 |
| 1964 | CHA | P | 34 | 0 | 2 | 5 | 0 | 0 |
| 1965 | KC1 | P | 51 | 0 | 2 | 7 | 0 | 2 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 460 |
Award Voting History
| Year | Award | League | Finish | Points Won | Points Max | Votes First |
|---|---|---|---|---|---|---|
| 1955 | Most Valuable Player | AL | 24th | 1.0 | 336 | 0 |
Most Similar Players
Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.
Don Mossi (highlighted) compared to peers across the same era.
Compare Don Mossi
Don Mossi: the record in brief
The profile opens with Don Mossi's first major league game on April 17, 1954; the last one listed came on October 1, 1965. Club by club, the record runs the Cleveland Indians (1954 through 1958), the Detroit Tigers (1959 to 1963), the Chicago White Sox (1964), and the Kansas City Athletics (1965). Mossi is listed as a pitcher at 6'1" and 195 pounds. Mossi both batted and threw left-handed, per the bio block. Mossi was born on January 11, 1929, in St. Helena, CA, USA. Mossi's death is recorded on July 19, 2019, in Nampa, ID, USA. Mossi's full given name, per the bio, is Donald Louis Mossi.
Mossi went 101-80 with a 3.43 ERA in 460 games, 165 of them starts. The same table counts 932 strikeouts, 55 complete games, 8 shutouts, and 50 saves. The leagues Mossi pitched in allowed 3.80 earned runs per nine over those seasons, so the career ERA was 9.7% better than average. 1959 brought Mossi a season-high 17 wins.
Frequently Asked Questions about Don Mossi
- What years did Don Mossi play?
- Don Mossi played in Major League Baseball from 1954 to 1965.
- Was Don Mossi a pitcher?
- Yes. Don Mossi pitched in the major leagues, recording 101 wins and 932 strikeouts.
- How many home runs did Don Mossi hit?
- Don Mossi hit 2 career home runs with 71 hits.
- What teams did Don Mossi play for?
- Don Mossi played for 4 teams: the Cleveland Indians (1954–1958), the Detroit Tigers (1959–1963), the Chicago White Sox (1964), and the Kansas City Athletics (1965).
- Did Don Mossi win a Cy Young Award?
- No. Don Mossi did not win the Cy Young Award.
- What awards did Don Mossi win?
- Don Mossi was selected to 1 All-Star Game.
- What were Don Mossi's career stats?
- In 460 games, Don Mossi went 101-80 with a 3.43 ERA, 932 strikeouts, 1,548.0 innings pitched, and 50 saves. At the plate he had 71 hits and 2 home runs.
- What position did Don Mossi play?
- Don Mossi played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Don Mossi and how much did he weigh?
- Don Mossi was listed at 6 feet 1 inch and 195 pounds.
- What was Don Mossi's career ERA?
- Don Mossi finished with a 3.43 career ERA, going 101-80 with 932 strikeouts.
- How many strikeouts did Don Mossi have?
- Don Mossi recorded 932 career strikeouts.
- Is Don Mossi in the Hall of Fame?
- No. Don Mossi has not been inducted into the National Baseball Hall of Fame.
- How many All-Star Games did Don Mossi make?
- Don Mossi was selected to 1 All-Star Game.