The Giants are signing restricted free agent center Spencer Pulley, according to Field Yates of ESPN.com (on Twitter). The two sides have agreed to a three-year, $9.6MM extension, keeping him in the fold through the 2021 campaign. 
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Pulley, 26 in April, spent the first two seasons of his career with the Chargers. In 2017, he started every game in the middle for L.A. In 2018, he hooked on with the Giants, where he started in nine of his 13 games.
Last year, Pulley graded out as Pro Football Focus’ No. 26 ranked center in the NFL out of 38 qualified players. His 567 snaps made for a limited sample size, but the score was more or less the same as his 2017 showing.