Middlesbrough's Aidan Morris is a notable absentee from the starting lineup for tonight's Carabao Cup first-round game against Wrexham. Morris suffered a minor injury in training this week, and manager Kim Hellberg has decided not to take any risks ahead of next weekend's Championship opener against Lincoln City.

What happened to Aidan Morris?

Aidan Morris is understood to have suffered a minor injury in training this week, which has ruled him out of the Carabao Cup clash with Wrexham. This is a significant blow to Middlesbrough, as Morris has been a key player for the team.

Why is this a big deal for Middlesbrough?

The loss of Aidan Morris is a significant blow to Middlesbrough, as he has been a key player for the team. His absence will be felt in the midfield, where he has been instrumental in the team's success.

What comes next for Middlesbrough?

Middlesbrough will have to regroup and find a way to replace Aidan Morris in the starting lineup. This will be a challenge for the team, but they have a strong squad and will be confident of getting a result against Wrexham.

Max Arfsten is making his debut at left-back, having completed his move from Columbus Crew at the start of the week. Will Lankshear is also making his first senior Boro appearance in attack. Neto Borges will play at centre-half alongside Luke Ayling, enabling Arfsten to slot in on the left of the defence. Jeremy Sarmiento is also selected in the starting XI after coming off the bench in last weekend's friendly draw with Espanyol.

The starting lineup for Middlesbrough is: Brynn; Brittain, Ayling, Borges, Arfsten; Berhalter, Malanda; Whittaker, Castledine, Sarmiento; Lankshear. The substitutes are: Dieng, McLaughlin, Joseph, Edmundson, McCabe, Ibeh, Cartwright, Dede, Daley.

Wrexham's starting lineup is: Ward; Vyner, Hyam, Doyle; Imray, Rathbone, James, O'Brien, Thomason; Smith, Broadhead. The substitutes are: Okonkwo, Cleworth, Keillor-Dunn, Whiteman, Cadamarteri, Dobson, Moore, Scarr, Longman.