Kutumela, who currently leads the National First Division scoring chart with 17 goals in 29 matches, confirmed the Bucs move on Sport@10 on Wednesday night.
Kaizer Chiefs, Mamelodi Sundowns, SuperSport United and Platinum Stars were all linked to the player in recent months, but the Buccaneers have won the race for his signature.
Meanwhile, Pirates are set to recall Thembinkosi Lorch from Cape Town All Stars as they continue to bolster their striking force ahead of the 2016/17 season.
Lorch, who is currently on loan at Igugu leKapa, has scored six goals in the National First Division this season.
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