This week's fantasy baseball waiver wire targets feature a mix of under-the-radar contributors making an impact as we approach the halfway point of the MLB season. Otto Lopez, the Miami Marlins' versatile infielder, has been on fire with a .301 batting average in June, showcasing his potential for both power and speed. The Brewers' Isaac Collins is seizing his opportunity with regular playing time, hitting .309 in his last 19 games. Gary Sanchez, now the primary catcher for the Orioles, is making waves with a .354 average and power surge, making him an attractive trade candidate. Outfielder Jake Meyers of the Astros is a solid addition as he’s raised his batting average to .317 with key contributions in stolen bases. Lastly, Tyler Freeman of the Rockies brings significant upside with his ability to contribute in multiple categories, especially if he secures a top spot in the batting order.