2019: Arizona Diamondbacks traded SP Zack Greinke to the Houston Astros for 4 prospects including SP Corbin Martin and OF Seth Beer
2018: Tampa Bay Rays traded SP Chris Archer to the Pittsburgh Pirates for SP Tyler Glasnow and OF Austin Meadows
2017: Texas Rangers sent SP Yu Darvish to the Los Angeles Dodgers for 3 prospects including OF Willie Calhoun
2016: Cleveland Indians acquired RP Andrew Miller from the New York Yankees for 4 prospects that included OF Clint Frazier and SP Justus Sheffield
2015: New York Mets landed OF Yoenis Cespedes from Detroit in exchange for SP Michael Fulmer
2014: As part of a 3-team trade, the Detroit Tigers acquired SP David Price from the Tampa Bay Rays for SS Willy Adames and SP Drew Smyly
2010: San Diego Padres, Cleveland Indians, and St. Louis Cardinals completed a 4-player trade that sent SP Corey Kluber to the Indians
2008: Los Angeles Dodgers, Boston Red Sox, and Pittsburgh Pirates completed a 6-player trade that involved OFs Manny Ramirez and Jason Bay
2007: Boston Celtics acquired former MVP PF Kevin Garnett from the Minnesota Timberwolves for what was the largest trade package ever for a single player (5 players and 2 1st-round picks)
1998: Houston Astros acquired SP Randy Johnson from the Seattle Mariners in exchange for 3 prospects
1997: Oakland Athletics traded 1B Mark McGwire to the St. Louis Cardinals for 3 relievers, making his 34 HRs the most all-time by a player involved in a midseason trade
1993: Oakland Athletics traded 34-year-old future HOF OF Rickey Henderson to the Toronto Blue Jays in the midst of 1 of his best seasons (.327/.469/.553/1.023). Henderson struggled offensively in Toronto down the stretch but his defense & base-running helped the Blue Jays win back-to-back Championships, Henderson’s 2nd and final World title
1990: Texas Rangers SP Nolan Ryan recorded the 300th win of his Hall of Fame career
1988: Oakland Athletics OF Jose Canseco hit 2 HRs in a victory over the Seattle Mariners, becoming the very 1st player to record 30 HRs in each of his 1st 3 seasons
1981: The 2nd work stoppage in MLB history ended after 42 days
1978: Cincinnati Reds 3B Pete Rose extended his hitting streak to 44 games in a victory over the Atlanta Braves, tying Willie Keeler’s 81-year-old NL record
1954: Milwaukee Braves 1B Joe Adcock became just the 3rd player this century to hit 4 HRs (Lou Gehrig, Gil Hodges) and added a double en route to an MLB-record 18 total bases in a 15-7 victory over the Brooklyn Dodgers
1909: For the 2nd time in as many years, Chicago White Sox SP Bill Burns had a no-hitter broken up with 2 outs in the 9th inning in a 1-0 victory over the Washington Senators; he was the only pitcher until 1988 to suffer this fate twice (Dave Stieb)