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| Name | Team | Age |
| Jeff Clemens | Retired (1971, Age 36) | Died (2012, Age 77) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 1 (1960) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Amos Otis League | 0 | 8 years (132 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor Value
|
|
| Health
|
Injured Days
|
Birthday |
| 0 | 8/9/1935 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 0 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Year | Vs | G | IP | SO | BB | H | WHIP |
| 1965 | LHB | 56 | 37.0 | 16 | 8 | 45 | 1.43 |
| 1965 | RHB | 48 | 29.0 | 18 | 11 | 27 | 1.31 |
| 1966 | LHB | 50 | 95.1 | 54 | 32 | 97 | 1.35 |
| 1966 | RHB | 47 | 66.1 | 44 | 21 | 83 | 1.57 |
| 1967 | LHB | 59 | 52.0 | 26 | 23 | 69 | 1.77 |
| 1967 | RHB | 48 | 30.1 | 17 | 8 | 26 | 1.12 |
| 1968 | LHB | 80 | 56.2 | 46 | 21 | 58 | 1.39 |
| 1968 | RHB | 75 | 43.0 | 27 | 18 | 38 | 1.30 |
| 1969 | LHB | 32 | 19.1 | 12 | 8 | 15 | 1.19 |
| 1969 | RHB | 25 | 11.1 | 4 | 2 | 11 | 1.15 |
| 1970 | LHB | 65 | 54.2 | 25 | 26 | 80 | 1.94 |
| 1970 | RHB | 60 | 47.2 | 23 | 21 | 45 | 1.38 |
| 1971 | LHB | 25 | 14.1 | 8 | 5 | 18 | 1.60 |
| 1971 | RHB | 20 | 12.1 | 12 | 6 | 12 | 1.46 |
| 2139 | AHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2139 | HHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2139 | LHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2139 | RHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | AHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | HHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | LHB | 367 | 329.1 | 187 | 123 | 382 | 1.53 |
| Total | RHB | 323 | 240.0 | 145 | 87 | 242 | 1.37 |
| Total | 472 | 958.1 | 578 | 395 | 1107 | 1.57 |
| Date | Transaction |
| 1971-11-01 | Jeff Clemens has retired from the Cincinnati Steamboats |
| 1971-10-05 | The Cincinnati Steamboats have promoted Dave Rutherford to the major league team. The Cincinnati Steamboats have promoted Johnny Davis to the major league team. The Cincinnati Steamboats have designated Cecil Patterson for assignment. The Cincinnati Steamboats have designated Jeff Clemens for assignment. |
| 1971-06-25 | The Cincinnati Steamboats have promoted Jeff Clemens to the major league team. The Cincinnati Steamboats have designated Kerry Lassetter for assignment. |
| 1971-06-25 | The Cincinnati Steamboats have acquired Jeff Clemens from the waiver wire. |
| 1971-04-08 | The Chicago Red Stars have waived Jeff Clemens. |
| 1971-04-01 | The Chicago Red Stars have promoted Billy Priddy to the major league team. The Chicago Red Stars have promoted Vince Doran to the major league team. The Chicago Red Stars have designated Cecil Patterson for assignment. The Chicago Red Stars have designated Jeff Clemens for assignment. |
| 1965-04-29 | The Chicago Red Stars have promoted Jeff Clemens to the major league team. The Chicago Red Stars have sent Jack Hillis to the minors. |
| 1965-04-25 | The Chicago Red Stars have renamed Dennis Leonard to Jeff Clemens. |
| 1965-04-25 | A trade has been completed between the Kansas City Royals and the Chicago Red Stars. The Chicago Red Stars receive Dennis Leonard from the Kansas City Royals in exchange for Draft Pick - 1967 Round 3 (CHN). |
| 1964-10-03 | The Kansas City Royals have sent Dennis Leonard to the minors. |
| 1964-09-01 | The Kansas City Royals have promoted Dennis Leonard to the major league team. The Kansas City Royals have sent John Scalzi to the minors. |
| 1964-03-01 | The Kansas City Royals have promoted Sparky Lyle to the major league team. The Kansas City Royals have promoted Roy Johnson to the major league team. The Kansas City Royals have sent Dennis Leonard to the minors. The Kansas City Royals have sent Bobby Ashby to the minors. |
| 1963-09-05 | The Kansas City Royals have promoted Dennis Leonard to the major league team. |
| 1963-07-15 | The Kansas City Royals have sent Dennis Leonard to the minors. |
| 1963-07-04 | The Kansas City Royals have promoted Dennis Leonard to the major league team. The Kansas City Royals have sent Bob Tomer to the minors. |
| 1962-08-15 | The Kansas City Royals have promoted Pablo Hackett to the major league team. The Kansas City Royals have promoted Eric Dickerson to the major league team. The Kansas City Royals have sent Danny Jackson to the minors. The Kansas City Royals have sent Dennis Leonard to the minors. |
| 1962-05-09 | The Kansas City Royals have promoted David DeJesus to the major league team. The Kansas City Royals have promoted Bob Tomer to the major league team. The Kansas City Royals have promoted Dennis Leonard to the major league team. The Kansas City Royals have promoted Bill Jenkins to the major league team. The Kansas City Royals have promoted John Scalzi to the major league team. The Kansas City Royals have designated Jeff Suppan for assignment. The Kansas City Royals have designated Roberto Hernandez for assignment. The Kansas City Royals have designated Charlie Liebrandt for assignment. The Kansas City Royals have designated Chili Davis for assignment. The Kansas City Royals have designated Jeremy Affeldt for assignment. |
| 1962-04-25 | The Kansas City Royals have promoted Danny Jackson to the major league team. The Kansas City Royals have sent Dennis Leonard to the minors. |
| 1962-04-25 | The Kansas City Royals have renamed Jeff Clemens to Dennis Leonard. |
| 1962-04-25 | A trade has been completed between the Kansas City Royals and the Chicago Red Stars. The Chicago Red Stars receive Bret Saberhagen from the Kansas City Royals in exchange for Jeff Clemens, Toshi Nakamura, Phil Linke, Draft Pick - 1966 Round 3 (CHN). |
| 1962-04-12 | The Chicago Red Stars have promoted Jeff Clemens to the major league team. The Chicago Red Stars have designated Al Gillis for assignment. |
| 1961-09-19 | The Chicago Red Stars have promoted Maury Leach to the major league team. The Chicago Red Stars have sent Jeff Clemens to the minors. |
| 1961-08-25 | The Chicago Red Stars have promoted Jeff Clemens to the major league team. The Chicago Red Stars have designated Maury Leach for assignment. |
| 1961-08-08 | The Chicago Red Stars have promoted Randy Wheeler to the major league team. The Chicago Red Stars have sent Jeff Clemens to the minors. |
| 1961-07-26 | The Chicago Red Stars have promoted Jeff Clemens to the major league team. The Chicago Red Stars have sent Larry Stone to the minors. |
| 1961-06-21 | The Chicago Red Stars have sent Jeff Clemens down to the minors. |
| 1960-04-01 | The Chicago Red Stars have promoted Brian Kingman to the major league team. The Chicago Red Stars have promoted Jeff Clemens to the major league team. The Chicago Red Stars have promoted Hank Pettit to the major league team. The Chicago Red Stars have promoted Larry Stone to the major league team. The Chicago Red Stars have sent Gary Roth to the minors. The Chicago Red Stars have sent Eric Freeman to the minors. The Chicago Red Stars have designated Al Gillis for assignment. The Chicago Red Stars have designated Walt Black for assignment. |