The Sheffield official has refereed two Blues fixtures so far this season, both at St. Andrews.
His first game in charge of Blues this season was in the home win against Manchester City on Boxing Day when Robbie Savage and Matty Upson were shown yellow cards.
His last game in charge of a Blues game was in the FA Cup fourth round tie against Wimbledon at St. Andrews in January. Darren Purse the only Blues player booked on that occasion .. view rate the ref
Saturdays fixture will be Mr Rennie's first game in charge of a game involving Middlesbrough so far this season.
In total Uriah Rennie has been in charge of eighteen games so far this season and dished out 67 yellow cards and just one red.