OL Reign is back in the National Women’s Soccer League semifinals for the fifth season in a row, but some things are different this time around. Can the perennial contenders make it past the semis and back to the championship game for the first time since 2015? They’ll have to defeat the Shield winners from San Diego, and, though they are 4-0 against the Wave this season, it will be no easy feat.
Here are five keys to Sunday’s second semifinal (9:30 p.m. ET, CBS Sports Network).
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