Steve Gibson has backed Middlesbrough very well so far this summer. Middlesbrough have had an excellent summer transfer window so far under Michael Carrick and Kieran Scott. The Reds have so far, signed five new first-team players as they battle to secure a return to the Premier League. Tommy Conway joined Middlesbrough last week, signing from Bristol City for £4.5m. The striker made his debut in the 1-0 loss to Derby County but is expected to still be a key asset for the Teessiders this term. While the incomings have been positive, one of the best things Boro have done this summer is keep hol…