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The 2011 Korea Professional Baseball season was the 30th season in the history of the Korea Professional Baseball. The Samsung Lions won the regular season and Korean Series.
Format
Season format
Regular season: 133 games for each team
Semiplayoff: regular-season 3rd place vs. regular-season 4th place – best of 5
Playoff: regular-deason 2nd place vs. semiplayoff winner – best of 5
Korean Series: regular-deason 1st place vs. playoff winner – best of 7
To determine the final standings
Champion (1st place): Korean Series winner
Runner-up (2nd place): Korean Series loser
3rd–8th place: sort by regular-season record except teams to play in the Korean Series