Ryan Shaver is a native of Fairbanks, Alaska and attended Lower Columbia Community College. The 6-5, 175 lbs right-handed pitcher was drafted by the San Francisco Giants in the 29th round of the 2004 draft. He began his career with the Arizona League rookie Giants team in 2005 and moved to single-A Augusta in the South Atlantic League in 2006, where he maintained a sub-4.00 ERA through 2007. After graduating to high-A San Jose of the California League in 2008, he went back down to rookie league in 2009. Following his release in 2009, Shaver went 8-3 with a 4.96 ERA in 20 appearances for Sioux Falls of the American Association in 2010. He is expected to be in the Sox starting rotation.