Tomo Ohka News: Ohka, who has reinvented himself as a knuckleballer in Japan, is receiving interest from big league clubs this winter, Sanspo reports.

Ohka, who has reinvented himself as a knuckleballer in Japan, is receiving interest from big league clubs this winter, Sanspo reports.

Ohka was 7-7 with a 3.73 ERA in an independent league in Japan in 2013, pitching in 21 games with Toyama. The Orioles are believed to be among the teams interested in acquiring the 37-year-old's services.