Nathan is expected to officially announce his retirement Friday at Target Field.

EDGE Analysis

Nathan, who has pitched 6.2 innings in the majors over the last two seasons, decided to call it quits after failing to break through with the Nationals this season. He'll retire as a Twin, where he spent eight seasons and established himself as an elite closer. The six-time All-Star will end his career with an impressive 2.87 ERA, 1.12 WHIP, and 976 strikeouts in 923.1 innings. He is also eighth on the all-time saves list with 377.