On-base percentage measures a batter's ability to get on base.

Led league in On-base percentage (1982)

In 2 years, he played in 5 games and had 9 At Bats, 2 Hits, 1 Double, .222 Batting Average, .222 On-base percentage, .333 Slugging Percentage, and 3 Total Bases.

He started the 2006 season with Lake County and with a .395 On-base percentage, earned a promotion to A-Advanced Kinston.

No. 10 in Major League Baseball history in On-base percentage (.430)

(On-base percentage is between two and three times more valuable than slugging percentage, depending on whom you ask within baseball's statistical community.)

Holliday played in 93 games for the Oakland Athletics, where he hit .286 with 11 HR and 54 RBI; although he hit .390, with a .422 On-base percentage, and a .756 slugging percentage during his final two weeks with the club.

Strang led the National League in On-base percentage (.423) in 1906.

"On-base percentage is the percentage of times a guy is not using up one of your 27 outs."

In 2010, Hong was runner-up in batting average, hits, RBI, Slugging percentage, OPS, third in On-base percentage and fourth in Homeruns.