Shohei Ohtani and Takashi Murakami teamed up to autograph some highly coveted baseball cards ahead of the MLB Tokyo Series.

A look at exclusive inserts and secondary market movement of 2025 Topps Baseball Series 1 MLB World Tour: Tokyo Series

In the run-up to the game, Ohtani met with popular Japanese artist Takashi Murakami whose floral embellishments on the players’ jerseys have been a runaway success. On Monday, they both added their signatures to four cards — two that they kept for themselves and two that will be inserted into special Topps’ sets designed by the artist.