Williams, a second-round pick in 2012 out of Galveston Ball High School, is hitting a combined .291 with 13 home runs, 73 RBIs and a .481 slugging percentage at three different levels. He played most of the season at Class A Myrtle Beach before being promoted this month to Frisco. He is ranked as the fourth-best Rangers prospect by MLB.com.
Kendall, an eighth-round pick in 2012 out of Fresno State, has a combined 1.21 ERA and seven saves at Class A Hickory and Myrtle Beach. McElwee, another reliever and a 20th-round pick in 2012 out of Newberry (S.C.) College, has a 2.63 ERA and six saves at Hickory, Myrtle Beach and Frisco. Wolff, a sixth-round pick in 2013 out of the University of New Mexico, is 8-5 with a 3.46 ERA at Myrtle Beach as a starter.
Bonilla is one of two players acquired from the Phillies for Michael Young two years ago. He is 3-1 with a 4.14 ERA in four starts and 33 relief appearances at Triple-A Round Rock. The Rangers acquired him as a reliever but are giving him a chance to start.