data = read.csv("2013_NBAseason.csv", header = T)

Error in read.table(file = file, header = header, sep = sep, quote = quote,  :
duplicate 'row.names' are not allowed"

data = read.csv("2013_NBAseason.csv", header = T,
                 colClasses=c(rep(NA,7),"NULL"), row.names=NULL)

head(data)
          row.names      Date          Box.Score Away          Away_Points Home  Home_Points
1 Tue, Oct 30, 2012 Box Score Washington Wizards   84  Cleveland Cavaliers   94
2 Tue, Oct 30, 2012 Box Score   Dallas Mavericks   99   Los Angeles Lakers   91
3 Tue, Oct 30, 2012 Box Score     Boston Celtics  107           Miami Heat  120
4 Wed, Oct 31, 2012 Box Score   Sacramento Kings   87        Chicago Bulls   93

temp = list.files(pattern="*.csv")
data = do.call("rbind", lapply(temp, read.csv, ...

#read data without any row names
data <- read.csv("2013_NBAseason.csv")

#enter string "home_points" to last column. I am assuming it is column 6.
data[1, 6] <- "Home_Points"

#make row 1, your column names
colnames(data) = data[1, ]