San Francisco Giants catcher Buster Posey will be on the bench for Thursday's matchup with the San Diego Padres and right-hander Pierce Johnson. The veteran is batting an even .300 with a .389 on-base percentage and 18 home runs in 401 plate appearances this season. However, it'll be Curt Casali getting the start behind the plate against the Padres. Fantasy managers are probably better off looking elsewhere for streaming help at catcher. In 212 plate appearances this season, Casali is batting...