Which player was nicknamed "Pops"?

What position did Roberto Clemente primarily play? What uniform number did Roberto Clemente wear with the Pirates? Willie Stargell is best known for playing with which MLB team? What uniform number did Willie Stargell wear with the Pirates? What position did Honus Wagner primarily play? Honus Wagner is best known for playing with which MLB team? Which player was nicknamed "The Flying Dutchman"? What position did Andrew McCutchen primarily play?