The New Zealand striker was due to start training with Sundowns today following his move from Tshwane rivals SuperSport United.
Downs official Trott Moloto confirmed Brockie, whose contract details are yet to be revealed, is available for the visit of Dikwena.
"He is available. His papers are sorted out," Moloto told KickOff.com.
The Brazilians are also expected to soon unveil left-back Siyabonga Zulu as he makes his way to Chloorkop from Stars, while a deal is also in the pipeline for Uruguayan attacker Gaston Sirino.
Dikwena coach Roger de Sa last week confirmed winger Katlego Otladisa is heading to the Premiership leaders, but could stay in Phokeng until next season as he recovers from a shin fracture.
Meanwhile, fullback Fares Hachi may be loaned to Matsatsantsa due to foreign quota issues.