Rare to find a pair of MLB siblings where one hits and one pitches, no? Pedro/Ramon, Al/Mark Leiter, Phil/Joe Niekro, Greg/Mike Maddux, Pascual and Melido Perez... Travis/Chase d'Arnaud, Roberto/Sandy Alomar, Tony/Chris Gwynn, Jose/Ozzie Canseco... Oh goddamn Mike Glavine.