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Name Team Age
Bob Mairena Retired (1971, Age 37) Died (2007, Age 73)
Drafted Position Bats/Throws
Round 1, Pick 5
(1952)		 RP L/R
League Option Years   Majors Service Time
Branch Rickey League 0 13 years (111 games)
Total Rating   Arm Range
B+ C+ D 
Contact vs R Contact vs L Speed
D- D- C 
Power vs R Power vs L Bunting
F  D- D-
Endurance Velocity Control
C- B+ B 
Leadership   Mentor Value  
D- C-
Health   Injured Days   Birthday
C- 0 1/4/1934
WS Rings WS Appearances LCS Appearances
1 1 4
Alt Pos (---) Alt Pos (---) Alt Pos (---)
F  (0.0 %) F  (0.0 %) F  (0.0 %)

Stats  |   Splits  |   Playoffs  |   Energy  |   Improvements  |   Past Skills  |   Awards   |  Batting   |  Fielding   |  Game Log
Year Vs G IP SO BB H WHIP
1956 AHB 11 23.2 21 6 34 1.69
1956 HHB 8 20.1 16 8 23 1.52
1956 LHB 18 18.2 18 6 27 1.77
1956 RHB 19 25.1 19 8 30 1.50
1957 AHB 4 6.0 7 6 7 2.17
1957 HHB 4 4.0 2 0 7 1.75
1957 LHB 8 4.0 3 6 9 3.75
1957 RHB 7 6.0 6 0 5 0.83
1958 AHB 29 29.0 16 17 21 1.31
1958 HHB 31 38.0 35 21 39 1.58
1958 LHB 58 40.1 27 18 34 1.29
1958 RHB 44 26.2 24 20 26 1.73
1959 AHB 25 22.0 14 11 37 2.18
1959 HHB 37 41.0 28 22 38 1.46
1959 LHB 55 32.1 24 22 42 1.98
1959 RHB 48 30.2 18 11 33 1.43
1960 AHB 30 23.2 26 5 26 1.31
1960 HHB 29 26.1 24 8 34 1.59
1960 LHB 55 29.0 31 6 34 1.38
1960 RHB 43 21.0 19 7 26 1.57
1961 AHB 28 25.0 14 6 14 0.80
1961 HHB 32 28.0 25 6 25 1.11
1961 LHB 53 29.0 19 10 19 1.00
1961 RHB 45 24.0 20 2 20 0.92
1962 AHB 25 26.2 24 8 30 1.43
1962 HHB 30 40.0 36 17 44 1.53
1962 LHB 49 32.2 31 11 38 1.50
1962 RHB 49 34.0 29 14 36 1.47
1963 AHB 31 45.1 29 13 35 1.06
1963 HHB 36 44.0 35 15 36 1.16
1963 LHB 56 41.0 23 12 40 1.27
1963 RHB 63 48.1 41 16 31 0.97
1964 AHB 31 50.1 40 29 72 2.01
1964 HHB 36 51.2 47 19 71 1.74
1964 LHB 57 45.1 42 29 70 2.18
1964 RHB 64 56.2 45 19 73 1.62
1965 AHB 22 26.2 15 10 24 1.28
1965 HHB 25 40.2 35 14 40 1.33
1965 LHB 39 30.2 23 8 27 1.14
1965 RHB 42 36.2 27 16 37 1.45
1966 AHB 28 31.2 26 17 21 1.20
1966 HHB 33 40.1 38 13 43 1.39
1966 LHB 59 38.2 35 16 41 1.47
1966 RHB 56 33.1 29 14 23 1.11
1967 AHB 38 43.2 42 11 35 1.05
1967 HHB 39 45.0 41 8 51 1.31
1967 LHB 71 48.2 46 8 47 1.13
1967 RHB 61 40.0 37 11 39 1.25
1968 AHB 23 44.2 29 19 38 1.28
1968 HHB 23 44.0 37 19 34 1.20
1968 LHB 43 41.2 30 14 37 1.22
1968 RHB 44 47.0 36 24 35 1.26
1969 AHB 22 50.1 37 13 64 1.53
1969 HHB 15 43.1 31 19 31 1.15
1969 LHB 36 51.1 33 17 48 1.27
1969 RHB 34 42.1 35 15 47 1.46
1970 AHB 19 53.2 42 14 48 1.16
1970 HHB 23 53.0 41 24 50 1.40
1970 LHB 41 53.1 40 20 49 1.29
1970 RHB 42 53.1 43 18 49 1.26
1971 AHB 1 1.0 1 0 0 0.00
1971 HHB 1 1.0 3 0 0 0.00
1971 LHB 2 1.1 3 0 0 0.00
1971 RHB 1 0.2 1 0 0 0.00
2229 AHB 0 0.0 0 0 0 0.00
2229 HHB 0 0.0 0 0 0 0.00
2229 LHB 0 0.0 0 0 0 0.00
2229 RHB 0 0.0 0 0 0 0.00
Total AHB 367 503.1 383 185 506 1.37
Total HHB 402 560.2 474 213 566 1.39
Total LHB 700 538.0 428 203 562 1.42
Total RHB 662 526.0 429 195 510 1.34
Total 769 1064.0 857 398 1072 1.38
Career Transactions
DateTransaction
1971-11-01Bob Mairena has retired from the Baltimore Terrapins
1971-04-09The Baltimore Terrapins have designated Bob Mairena for assignment.
1968-07-06Trade #1647962 has been completed between the Chicago Cossacks and the Baltimore Terrapins. The Baltimore Terrapins receive Dennis Fitzgerald, Bob Mairena from the Chicago Cossacks in exchange for Draft Pick 1972 Round 1 BAL (Tom Overy), Draft Pick 1971 Round 2 BAL (Kenta Kawai).
1966-07-14Bob Mairena of the Chicago Cossacks is injured and is expected to be out 21 days.
1966-04-03Bob Mairena of the Chicago Cossacks is injured and is expected to be out 21 days.
1963-09-13Bob Mairena of the Chicago Cossacks is injured and is expected to be out 17 days.
1963-07-07Bob Mairena of the Chicago Cossacks is injured and is expected to be out 15 days.
1962-09-07Bob Mairena of the Chicago Cossacks is injured and is expected to be out 20 days.
1962-05-21Trade #1640888 has been completed between the Chicago Cossacks and the Kansas City Prairie Princes. The Kansas City Prairie Princes receive Steve Kelley, Jack Law, Jim Blanks, Bob Cowley from the Chicago Cossacks in exchange for Billy Smith, Bob Mairena, Chad Gagliano, Draft Pick 1964 Round 1 KC (Keith Tobin).
1957-09-16The Kansas City Prairie Princes have promoted Bob Mairena to the major league team.
1957-07-02Trade #1636254 has been completed between the Chicago Cossacks and the Kansas City Prairie Princes. The Kansas City Prairie Princes receive Chad Gagliano, Bob Mairena, Steve Reams, Draft Pick - 1960 Round 2 (CHN) from the Chicago Cossacks in exchange for Draft Pick 1958 Round 1 KC (Roy Norman), Draft Pick 1962 Round 1 KC (Zenzo Tadano).
1957-04-13The Chicago Cossacks have promoted Carl Holman to the major league team. The Chicago Cossacks have sent Bob Mairena to the minors.
1957-04-01The Chicago Cossacks have promoted Bob Mairena to the major league team. The Chicago Cossacks have promoted Leon Gardner to the major league team.
1956-06-08The Chicago Cossacks have promoted Dennis Fitzgerald to the major league team. The Chicago Cossacks have sent Bob Mairena to the minors.
1956-04-01The Chicago Cossacks have promoted Bob Mairena to the major league team. The Chicago Cossacks have waived Joe Ezzell.
1952-04-02The Chicago Cossacks have promoted Rick Campbell to the major league team. The Chicago Cossacks have promoted Vance Oertel to the major league team. The Chicago Cossacks have sent Chuck Rizzuto to the minors. The Chicago Cossacks have sent Bob Mairena to the minors.
1952-04-01The Chicago Cossacks have auto-promoted Bob Mairena to the major leagues.
1951-04-01Trade #1630385 has been completed between the Kansas City Prairie Princes and the Chicago Cossacks. The Chicago Cossacks receive Draft Pick - 1954 Round 1 (KC), Draft Pick 1952 Round 1 KC (Bob Mairena) from the Kansas City Prairie Princes in exchange for Chico Jackson, Gene Porto, Vicente Shannon.