• After we last left you on Friday night, Brian Fuentes had a mini-implosion versus the Diamondbacks, taking a win off the board for the A’s and Tommy Milone and probably taking himself out of the ninth inning on a full-time basis. On Saturday, Bob Melvin told assembled press before the game that he was going to use — something every fantasy owner longs to hear — a committee. Fuentes will remain in the mix for saves but Ryan Cook and Grant Balfour will get opportunities based on their availability and matchups.
Cook has been the sleeper darling of the group since the first few weeks of the season, putting up a sparkling 0.69 ERA in 26.0 IP so far in 2012. While his strikeout rate has been solid (8.7 K/9), his walk rate has been anything but (5.2 BB/9). Free passes are nothing new to Cook who had 9.2 BB/9 in limited action at the big league level for Arizona last year in addition to 4.2 BB/9 down at AAA. Thanks to the walks, a low BABIP (0.119) and the fact that he has allowed no homers this year with a 48.3% fly ball rate, his xFIP is a less-than-appetizing 4.39. Balfour’s fastball velocity and, subsequently, strikeouts are down this year (7.0 K/9, compared with a career average of 9.7), and his walk rate (3.9 BB/9) and xFIP (4.40) are nothing to write home about, either. Ironically, Fuentes still has the best peripherals of the three, thanks in large part to his 2.0 BB/9 (3.95 xFIP). Unfortunately for him, a poor strand rate (64.5% LOB%) and HR/FB% nearly four points above his career average (12.5% versus 8.4%) has his ERA the worst of the three at 5.24.
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