The evidence materially supports three or more goals rather than stopping at the lower line. Middlesbrough fixtures have averaged 3.45 total goals per game, featuring 22 goals scored and 16 conceded across 11 league matches. They have scored in all 11 matches, spearheaded by striker Will Lankshear with nine goals, yet have managed only two clean sheets all season. Four of their last five matches have seen at least four goals scored, including a 3-2 win away at Stoke and 2-2 draws against Cardiff, Birmingham, and Millwall.
Bolton provide complementary numbers, with their fixtures averaging 3.0 total goals behind 15 scored and 18 conceded. Bolton concede 1.4 goals per game at home and 1.6 overall, leaving them vulnerable to Middlesbrough's prolific frontline while still holding enough attacking capability to contribute to the scoreline. Given the volume of scoring and conceding on both sides, Over 2.5 is thoroughly justified by the data.