Breaking: San Antonio Spurs sign free agent center Tyler Zeller to two-year contract

PORTLAND, OREGON - OCTOBER 08: Tyler Zeller #45 of the Denver Nuggets reacts against the Portland Trail Blazers in the first quarter during a preseason game at Veterans Memorial Coliseum on October 08, 2019 in Portland, Oregon. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement (Photo by Abbie Parr/Getty Images)

The San Antonio Spurs have signed 30-year-old free agent center Tyler Zeller to a deal for the remainder of the season with a non-guaranteed second year.