Mario Miguel Guerrero Abud (born September 28, 1949) is a former Major League Baseball shortstop who played for four teams in an eight-year career from to . Career Guerrero signed with the New York Yankees as an amateur free agent in . After four plus seasons in their farm system, he was sent to the Boston Red Sox on June 30, as the player to be named later in the deal that brought future Cy Young Award winner Sparky Lyle to the Yankees. Guerrero made the Red Sox out of spring training , and won the starting shortstop job over Rick Burleson the following Spring following Luis Aparicio's retirement. During the off season, Guerrero was traded to the St. Louis Cardinals for pitcher Jim Willoughby. He split between the Cardinals and their triple A affiliate, the Tulsa Oilers, batting .239 in 64 games at the major league level. He was assigned to Tulsa in when he was traded to the California Angels for two minor leaguers. He signed as a free agent with the San Francisco Giants after the season, only to be sent to Oakland on April 7, to complete a trade in which the Athletics also acquired Gary Thomasson, Gary Alexander, Dave Heaverlo, John Henry Johnson, Phil Huffman, Alan Wirth and $300,000 for Vida Blue just over three weeks earlier on March 15. He played three seasons in Oakland before his contract was purchased by the Seattle Mariners. He retired following his release from the Mariners in spring training . In , Guerrero played for the Winter Haven Super Sox of the Senior Professional Baseball Association. He batted .315 in 15 games. Personal His brother Epy Guerrero was a coach for the Toronto Blue Jays. While working as a buscón (headhunter) in the Dominican Republic, Guerrero sued Raúl Mondesí for 1% of his salary. He ended up winning a $640,000 judgment. References External links Mario Guerrero at Baseball Almanac 1949 births Boston Red Sox players California Angels players Dominican Republic expatriate baseball players in the United States Fort Lauderdale Yankees players Kinston Eagles players Living people Louisville Colonels (minor league) players Major League Baseball players from the Dominican Republic Major League Baseball shortstops Manchester Yankees players Oakland Athletics players St. Louis Cardinals players Syracuse Chiefs players Tulsa Oilers (baseball) players Winter Haven Super Sox players