After Russell Wilson arrived in Pittsburgh, Mike Tomlin said he was in “pole position” to be the Steelers’ starting quarterback. That remained the case after the franchise acquired Justin Fields in a trade with the Chicago Bears – but things could be shifting a bit. Wilson missed the start of training camp with a calf injury, meaning Fields got reps with the 1s and got the start in last week’s preseason opener. The former Ohio State star appears to be opening some eyes with his new team, as well, and it’s leading to some questions about whether Wilson is still the likely starter. According to …