What happened: Caleb Durbin has drastically improved his offensive production, batting .304 with a .353 on-base percentage over his last 44 games. The stretch marks a sharp turnaround from his first 48 appearances, when he posted a .241 OBP.

Why it matters: The surge provides a much-needed lift for a Red Sox team eyeing deadline decisions. His significant jump in run-creation value helps solidify the lineup for the second half.

What to watch: He will look to maintain this momentum through the rest of the regular season.