To prepare to face Jamie Moyer on Friday night, Dodgers outfielder Tony Gwynn Jr. could watch videos of his past at-bats against the Colorado Rockies left-hander.
Or he could talk to his father, Hall of Famer Tony Gwynn Sr., who also faced him.
Rookie Scott Van Slyke could also solicit advice from his father, former All-Star Andy Van Slyke.
Shortstop Dee Gordon's father, former pitcher Tom Gordon, was Moyer's teammate. ...
"I think Jamie pitched against my grandfather," joked Jerry Hairston Jr., a third-generation major leaguer.