To answer this question, we should know that: At 14 characters, his last name is the longest in Major League Baseball history.is the reasoning for what question and answer pair?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Q: 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?
A: Saltalamacchia