Triple-doubles have become commonplace this season in NBA

Russell Westbrook’s triple-double Tuesday against Charlotte was his league-best 17th this season. It’s the 3-point era in the NBA. The massive-salary era. The LeBron James era. It’s also the triple-double era. If it seems like triple-doubles are happening more often than ever, that’s because they are — by a huge margin. On average, the NBA …