At 14 characters, his last name is the longest in Major League Baseball history. Saltalamacchia is Italian for "jump over" (salta) "the thicket" (la macchia, Southern Italy dialectical term that refers to a kind of tall shrub). His nickname is Salty.

Based on this passage, who has the longest last name in mlb history? Let's give stream of consciousness first:
To answer this question, we should know that: At 14 characters, his last name is the longest in Major League Baseball history.
So, the final answer is Saltalamacchia.