"Matchup problems" means that one person, team, or group has characteristics or skills that make it difficult for another person, team, or group to compete against them successfully. Full definition
They really create matchup problems everywhere and when they have their full cast of characters they are really tough to beat. (allsportsseries.com)
What I'm not sure about is if he has enough speed to be a true matchup problem. (sbnation.com)
At 6» 7», 205 pounds, Cody Martin presents matchup problems for opposing point guards, and in Stephens and Caleb Martin, Nevada rolls out two perimeter marksmen who've knocked down a combined 221 shots from downtown this season at a 44.4 % and 40.1 % clip, respectively. (si.com)