Brods were slow out of the blocks and Middlesbrough made them pay with a great converted try in the first two minutes.
Brods responded with some great play before the ball was passed out wide to Tom Wilson, who reduced the arrears at 7-5.
Brods continued on the attack, but Middlesbrough showed their skill at stripping the ball and moving it out wide with speed.
However, Brods tackled well and recovered the ball before being rewarded with a second try. Following a scrum in the Middlesbrough 22, Luke Chadwick broke and bounced off a number of defenders, Wilson adding the extras.
Brods played uphill in the second half, but with the pitch resembling a mudbath they struggled to get out of their own half.
Middlesbrough U16s 7
Old Brods U16s 12
Old Brods under nines won one and drew the second of their games against Baildon.
Toby Morley, Ben Parkin (2), Jasper Brown, George Bannister and Adam Odling-Smee all scored for the hosts in their opening 30-10 success where Sam Thackeray and Joseph Doyle ran strongly.
Baildon stormed into a 15-0 lead in the second game before Brods hit back through Brown (2) and Morley.
William Bentley drove the ball forward well but the visitors scored on half time to regain the lead.
Brods had very little ball to work with after the break but Brown and Odling-Smee took their chances well to give their side a five point cushion. However, Baildon scored to level at 25-25.
Old Brodleians U14s 7
Sandal U14s 19
Old Brods were unable to avenge a defeat earlier in the season.
Sandal scored two first half tries and Brods found it impossible to recover.
Brods began to compete in the second half and Conor Murphy made a good run and drew the defender to put CJ Russell in the clear to score. Murphy converted.
Brods pressed for a winner, but it was Sandal who sealed the victory with a late converted try.