baserunner

baserunner

(ˈbeɪsˌrʌnə)
n
(Baseball) a baseball player in the act of running around bases
References in periodicals archive ?
The new COMMANDO Select Mortar Vehicle and COMMANDO Utility Baserunner are being shown in Booth 03-B30 during IDEX 2013.
Other times he might encourage the baserunner to be aggressive or make sure he knows that he is the go-ahead run.
Relay men must keep their heads on a swivel when aligning themselves -- constantly looking back at the baserunner to decide where to throw the ball.
The batter's last responsibility is to turn into a baserunner.
That, in a nutshell, is what an outstanding baserunner can mean to a team.
We do not want him to simply come to a set position, look at the baserunner, then react to what he is doing.
Four pick-off moves that can make first base a nightmare for the baserunner.