Third dimension: McMahon prepares to step in for Arenado

FILE – Colorado Rockies third baseman Ryan McMahon throws to first base to put out Los Angeles Dodgers’ A.J. Pollock in the first inning of a baseball game in this file photograph taken Sunday, Sept. 20, 2020, in Denver. McMahon is slated to take over third base for the Rockies after the trade of Nolan Arenado to St. Louis.