Melvin says Cook sent down now so he can work on some things, get back where he had been.— Susan Slusser (@susanslusser) March 24, 2015
Melvin says Cook was instrumental in team's success past few years, was very hard for all to send him out. But Melvin expects him back.— Susan Slusser (@susanslusser) March 24, 2015
There had been strong hints coming from Oakland's beat writers that a roster shake up was afoot, including this tweet from the San Francisco Chronicle's Susan Slusser this morning:
An annual reminder to fans not to get too hung up on who does or doesn't make Opening Day roster. Things can change after that, usually do.— Susan Slusser (@susanslusser) March 24, 2015
Ryan Cook earned an All-Star appearance in 2012 after taking over the closer role from Grant Balfour before later relinquishing it. His 2014 start was hampered by two trips to the disabled, right shoulder inflammation that crept up in spring camp followed by a right forearm strain that caused him to miss a month.
He pitched just 50 innings to a 3.42 ERA in 2014, nearly a run higher than the 2.54 he put up in 2013. If you had a bad feeling whenever he entered a game with runners aboard, it was justified. He allowed 12 of 29 inherited runners to score in 2014, and 15 of 30 in 2013. This tendency appears to have resulted in him being given much lower leverage innings, dropping from an average Leverage Index of 1.619 to .961 from 2013 to 2014, according to Baseball Reference.
The bullpen battle
The result of this move is that for opening day there are at least two bullpen spots opening up after Tyler Cilppard, Dan Otero, Fernando Abad, and Eric O'Flaherty. Assuming one of Jesse Chavez or Drew Pomeranz will be the team's long reliever, Evan Scribner and R.J. Alvarez are the leading candidates to take those spots. Pat Venditte and Brock Huntzinger are the two other remaining relievers in major league camp, both are non-roster invitees.