Justin Smoak still might not feel very comfortable at the plate, mired in a three-week slump. One swing Tuesday night was a reminder how valuable Smoak remains to the Seattle Mariners' offensively challenged lineup, even if he's struggling. Smoak hit a two-out, three-run homer in the bottom of the eighth inning off Baltimore starter Jeremy Guthrie, giving the Seattle Mariners a stunning 3-2 win over the Orioles on Tuesday night. Read more: http://scores.espn.go.com/mlb/recap?gameId=310531112&teams=baltimore-orioles-vs-seattle-mariners