Los Angeles Dodgers second baseman/outfielder Zach McKinstry was optioned to Triple-A Oklahoma City on Sunday, according to Juan Toribio of MLB.com. The move was made to make room for relief pitcher Darien Nunez, who was activated from the 10-day injured list. McKinstry got off to a good start at the plate this year, slashing .259/.309/.455 with five home runs, one steal, 26 RBI and 15 runs scored over his first 38 games. However since the beginning of July, McKinstry is slashing ...