There's a strong precedent in the LA Dodgers camp for giving up jersey numbers to new star signees. Last year, Joe Kelly's family received a Porsche for relinquishing the No.
Rojas changing his jersey number allows Sasaki to take over No. 11 with the Dodgers, like his idol Yu Darvish. Sasaki wore Nos. 14 and 17 over various points during his career in Japan.