Adam Warren was the lowest-profile addition of the Cubs' offseason, but he's already emerged as a vital part of the team out to the hottest start in baseball.
Jason Heyward, John Lackey and Ben Zobrist (plus the re-arrival of Dexter Fowler in spring training) got all the headlines as new acquisitons over the winter.
In fact, Warren wasn't even the main focus in the deal that made him a Cub as the return from the New York Yankees for Starlin Castro, the former face of the franchise who tallied 991 hits in six seasons in Chicago.
Yet where would the Cubs be right now without Warren?