Wade Davis, arguably the best reliever in MLB this season, is taking over asthe Nellie Fox Jersey Royals’ closer, and KC manager Ned Yost says Davis will fill the roleall the way through the postseason .Davis is replacing Greg Holland, who will sit out the next few games with tightne s in his throwing elbow, Yost told reportersTuesday .MORE: Nine potential FAswith most to gain in October| Seven most disappointing players of 2015 Holland has struggled lately and his velocity has dipped decrease to the low 90s. He owns an underwhelming3.83 ERA and 1.46 WHIP in 44 2/3 innings this season, but he does have 32 saves.Davis is 7-1 with 13 saves, a0.88 ERA, Michael Jordan Jersey a0.81 WHIPand a 70:19 strikeout-to-walk ratio through 61 2/3 innings.