Joseph Parker will have to knock out Anthony Joshua to win, according to WBC heavyweight champion Deontay Wilder.

Wilder will be a very interested observer in the upcoming heavyweight unification bout between WBO champion Parker and WBA and IBF holder Joshua in Cardiff on April 1st.

The American champion offered his thoughts on the fight saying he definitely gives Parker a chance.

Wilder also looked ahead to a potential clash with Joshua, arguing that he is the best.

Wilder will defend his WBC crown against highly‑rated Cuban Luis Ortiz on March 3.

Source: NZ Herald