Davis Cup: USA, Spain secure sweeps on Day 2

(Photo credit: Louis Walker III/Special to the Providence Journal / USA TODAY NETWORK)
Reilly Opelka and Brandon Nakashima won their respective singles matches before Austin Krajicek and Rajeev Ram teamed up to polish off the United States' 3-0 win over Chile on the second day of the Davis Cup Finals group stage Wednesday in Zhuhai, China.

Opelka, No. 309 in the ATP rankings, bombarded Cristian Garin with 27 aces and ove