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Branch Rickey League
6-25-2229
Bob Mairena Relief Pitcher
Retired (1971, Age 37)
CAREER BIOGRAPHICAL DATA
ERA 3.92 Total Rating B+   Bats/Throws L/R
W-L 53-65 Status Deceased (2007) Option Years 0  
SV 301 Age at Death 73 Date of Birth 01-04-1934
K 857 Drafted Round 1, Pick 5
(1952)		 Majors Svc Time 13 years
(111 games)
IP 1064.0
WHIP 1.38
OFFENSE PITCHING MENTORING
Contact vs. R D- Contact vs. L D- Endurance C-   Ldrship D-
Power vs. R F  Power vs. L D- Velocity B+   Mentor Val C-
Speed C  Bunt D- Control B 
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range D  WS Rings 1
1B --- LF --- Arm C+ WS Appearances 1
2B --- CF ---   Health C- LCS Appearances 4
3B --- RF ---   Injured Days 0 All Star Teams 4
* League requires 50% rating to start at catcher.

Year POS Team G GS INN TC PO A E DP +/- RF   FPCT GG
1956 P CHN 19 0 44.0 5 0 5 0 0 0 1.02 1.000
1957 P CHN-KC 8 0 10.0 1 0 1 0 1 0 0.90 1.000
1958 P KC 59 0 67.0 5 0 5 0 0 0 0.67 1.000
1959 P KC 61 0 63.0 10 0 10 0 0 +1 1.43 1.000
1960 P KC 58 0 50.0 7 1 6 0 0 -1 1.26 1.000
1961 P KC 59 0 53.0 7 0 7 0 0 +1 1.19 1.000
1962 P KC-CHN 55 4 66.2 8 0 8 0 0 0 1.08 1.000
1963 P CHN 67 0 89.1 11 1 10 0 0 0 1.11 1.000
1964 P CHN 66 0 102.0 13 0 12 1 0 -3 1.06 .923
1965 P CHN 46 3 67.1 10 0 10 0 0 +2 1.34 1.000
1966 P CHN 61 0 72.0 8 0 8 0 0 0 1.00 1.000
1967 P CHN 75 0 88.2 9 1 7 1 0 -1 0.81 .889
1968 P CHN-BAL 46 3 88.2 14 3 11 0 0 +1 1.42 1.000
1969 P BAL 37 0 93.2 13 1 12 0 1 0 1.25 1.000
1970 P BAL 40 2 106.2 12 1 11 0 1 0 1.01 1.000
1971 P BAL 2 0 2.0 0 0 0 0 0 0 0.00 NaN
Total 759 12 1064.0 133 8 123 2 3 0 1.11 .985
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.