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Thurman Munson League
7-23-2254
Mariano Nieto Relief Pitcher
Retired (2026, Age 36)
CAREER BIOGRAPHICAL DATA
ERA 5.09 Total Rating B    Bats/Throws R/R
W-L 67-110 Status Deceased (2056) Option Years 0  
SV 104 Age at Death 66 Date of Birth 10-27-1990
K 1077 Drafted Round 1, Pick 14
(2009)		 Majors Svc Time 13 years
(158 games)
IP 1403.1
WHIP 1.51
OFFENSE PITCHING MENTORING
Contact vs. R D- Contact vs. L D- Endurance C+   Ldrship B+
Power vs. R D- Power vs. L D- Velocity B    Mentor Val A+
Speed D  Bunt D+ Control B 
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range D- WS Rings 0
1B --- LF --- Arm D  WS Appearances 0
2B --- CF ---   Health F  LCS Appearances 7
3B --- RF ---   Injured Days 0 All Star Teams 1
* League requires 50% rating to start at catcher.

 Skill grades calculated using approximate current ratings minus past improvements.
Year OS Age  Endurance   Velocity   Control 
200919C B-C 
201020C B-C 
201121C B C+
201222C B B-
201323C B B-
201424C B+B-
201525C B+B 
201626C+A-B 
201727C+A-B+
201828C+A-B+
201929C+A-B+
202030C+A-B+
202131C+A-B+
202232C+A-B+
202333C+A-B+
202434C+A-B+
202535C+A-B+
202636C+B+B 
Career Transactions
DateTransaction
2026-11-01Mariano Nieto has retired from the Chicago Meat Packers
2026-08-25Mariano Nieto of the Chicago Meat Packers is injured and is expected to be out 19 days.
2025-07-03A trade has been completed between the Los Angeles SantaAnas and the Chicago Meat Packers. The Chicago Meat Packers receive Germany Smith, Mariano Nieto, Bobo Newsom, Draft Pick 2026 Round 2 LAN (Melvin Oldis) from the Los Angeles SantaAnas in exchange for Pat White, Lon Tebeau, Larry Figueroa.
2024-06-01A trade has been completed between the Kansas City Killers and the Los Angeles SantaAnas. The Los Angeles SantaAnas receive Mariano Nieto, Scott Durst from the Kansas City Killers in exchange for Archie Ignasiak.
2024-04-01A trade has been completed between the Kansas City Killers and the St. Louis Tsunami. The St. Louis Tsunami receive Draft Pick 2027 Round 2 KC (Sam Kraft), Draft Pick 2026 Round 2 KC (Max Dumoulin), Draft Pick 2025 Round 2 KC (Jimmy Siegle) from the Kansas City Killers in exchange for Mariano Nieto.
2024-03-25The St. Louis Tsunami have placed Mariano Nieto on the trade block.
2023-07-02Mariano Nieto of the St. Louis Tsunami is injured and is expected to be out 58 days.
2023-06-11Mariano Nieto of the St. Louis Tsunami is injured and is expected to be out 9 days.
2022-05-05Mariano Nieto of the St. Louis Tsunami is injured and is expected to be out 30 days.
2021-09-23Mariano Nieto of the St. Louis Tsunami is injured and is expected to be out 26 days.
2021-07-24Mariano Nieto of the St. Louis Tsunami is injured and is expected to be out 24 days.
2021-05-25Mariano Nieto of the St. Louis Tsunami is injured and is expected to be out 29 days.
2020-04-04A trade has been completed between the St. Louis Tsunami and the Kansas City Killers. The Kansas City Killers receive Johnny Pesario, Bobby Leon, Vaughn Martin, Marko Manetti, Bob Ripley, Bob Robinson, Draft Pick 2023 Round 2 STL (Jake Armbrust), Draft Pick 2023 Round 1 STL (Tony West), Draft Pick 2022 Round 1 STL (Mike Chandler) from the St. Louis Tsunami in exchange for Ray Price, Mariano Nieto, Dave Thompson, Frank Moore, Joe Evans.
2018-06-08A trade has been completed between the Kansas City Killers and the Philadelphia BodySnatchers. The Philadelphia BodySnatchers receive Roy Kline, Salomon Stahoviak, Ted Taveras from the Kansas City Killers in exchange for Mariano Nieto, Mike Nicholls, Edwin Maldonado.
2017-04-01A trade has been completed between the Philadelphia BodySnatchers and the New York Cannibals. The New York Cannibals receive Hank Pride, Mike Barnes, Draft Pick 2018 Round 2 KC (Rick White) from the Philadelphia BodySnatchers in exchange for Mariano Nieto.
2015-09-27Mariano Nieto of the New York Cannibals is injured and is expected to be out 6 days.
2015-04-01The New York Cannibals have promoted Mariano Nieto to the major league team. The New York Cannibals have designated Gene Politte for assignment.
2014-09-22A trade has been completed between the Philadelphia BodySnatchers and the New York Cannibals. The New York Cannibals receive Mariano Nieto from the Philadelphia BodySnatchers in exchange for Draft Pick 2017 Round 1 NYA (Fernando Spehr).
2014-09-22A trade has been completed between the Philadelphia BodySnatchers and the Brooklyn Bandits. The Brooklyn Bandits receive Felix Criscola, Bob Rudi from the Philadelphia BodySnatchers in exchange for Mariano Nieto.
2014-08-17A trade has been completed between the Brooklyn Bandits and the Philadelphia BodySnatchers. The Philadelphia BodySnatchers receive Al Ramos, A. O. Davis from the Brooklyn Bandits in exchange for Mariano Nieto, John Alfonzo.
2012-04-11The Philadelphia BodySnatchers have promoted Guillermo Garcia to the major league team. The Philadelphia BodySnatchers have promoted Mariano Nieto to the major league team. The Philadelphia BodySnatchers have sent Scott Lown to the minors. The Philadelphia BodySnatchers have sent Dick Smith to the minors.
2012-04-11The Philadelphia BodySnatchers have renamed Marion Nieto to Mariano Nieto.
2011-10-23A trade has been completed between the New York jaegerbombs and the Philadelphia BodySnatchers. The Philadelphia BodySnatchers receive Marion Nieto, Draft Pick 2012 Round 1 NYN (Sandy Dollar) from the New York jaegerbombs in exchange for Sammy Sledge, Harry Bateman, Stump Rodgers, Hersh Owens.
2006-09-12A trade has been completed between the Philadelphia BodySnatchers and the New York jaegerbombs. The New York jaegerbombs receive Chick Mizerock, Bill Swindells, Draft Pick 2009 Round 2 KC (Joe Cooper), Draft Pick 2009 Round 1 PHI (Marion Nieto) from the Philadelphia BodySnatchers in exchange for Greg Thomas.