2010: Brewers RP Trevor Hoffman became the 1st player in MLB history to surpass 600 career saves
1998: Cardinals 1B Mark McGwire hit his record-tying 61st HR of the season with fellow slugger Sammy Sosa watching in the outfield
1998: With Mariners OF Ken Griffey’s 50th home run of the season, 3 players (Mark McGwire, Sammy Sosa) reached the mark in the same season for the 1st time in MLB history; he also joined McGwire and Babe Ruth as the only players with 50+ HRs in consecutive seasons
1993: Cardinals OF Mark Whiten tied 2 single-game records by hitting 4 HRs and collecting 12 RBIs against the Reds
1986: Dolphins QB Dan Marino threw his 100th career TD pass in just his 44th game, the quickest in NFL history to reach the mark
1984: Mets SP Dwight Gooden recorded his 228th strikeout of the season while pitching a 1-hitter against the Cubs, breaking the NL rookie rookie record
1979: The Entertainment and Sports Programming Network (ESPN) made its debut
1963: The Pro Football Hall of Fame in Canton, Ohio officially opened its doors to the public
1953: 2 days after setting the single-season Catchers record with his 38th HR, Brooklyn Dodgers C Roy Campanella set another Catchers record with his 125th RBI
1908: Senators SP Walter Johnson pitched his 3rd consecutive shutout over 4 days, this time a 2-hitter to defeat the New York Highlanders