Noun
baserunner (plural baserunners)
(baseball, softball) A player who is on base and is thus trying to advance to the next base.
Mays rounds third and screeches to a halt. When the world's best baserunner puts on the brakes on a hit to right, you know it's because the world's best arm is in right. And it was a close game – we needed that run. Roberto Clemente
Likewise, a baserunner can attempt to steal a base, or the batter can choose to swing at an intentional ball; however, these rarely occur since taking these risks is rarely more beneficial to the offensive team than allowing the walk. Source: Internet
He allowed one baserunner, Lourdes Gurriel Jr., who reached on an error. Source: Internet
North Little Rock turned a doubleplay in the sixth to erase the lone baserunner after that. Source: Internet
Bottom: Jenkins kept the Beavers from having a baserunner via hit by catching a line drive hit at her head for the second out. Source: Internet
In the first inning, third-year outfielder Erika Leonard led off by grounding out, and the Black Bears saw their first baserunner when third-year outfielder Rachel Carlson singled up the middle. Source: Internet