NFL free agency: 5 under-the-radar players 49ers should target in 2019

By Aaron Tan | Jan 2, 2019

SANTA CLARA, CA - SEPTEMBER 21: Carlos Hyde #28 of the San Francisco 49ers is stopped short of the goal line by Cory Littleton #58 of the Los Angeles Rams during their NFL game at Levi's Stadium on September 21, 2017 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images) /

4 of 6

MINNEAPOLIS, MN – OCTOBER 14: Tre Boston #33 of the Arizona Cardinals warms up on field before the game against the Minnesota Vikings at U.S. Bank Stadium on October 14, 2018 in Minneapolis, Minnesota. (Photo by Hannah Foslien/Getty Images) /

No. 3: Safety Tre Boston

Half a year ago, I wrote an article listing some free agents that the Niners should sign ahead of the 2018 season. Rounding out the list was Tre Boston, who was arguably the most underrated safety in the league at the time and still is now.

Boston ended up signing with the Cardinals, and to no surprise, ended up being one of the best players on Arizona’s underrated defensive unit. The 26-year-old safety graded out with a solid 71.8 from Pro Football Focus and is third in tackles on the team. Due to the extremely shorthanded safety depth that the 49ers have right now, bringing in Boston is a no-brainer. He would slide in as a great depth piece, if not more, and the best thing is that he would be cheap.

The front office made a mistake by glossing over Boston last year. Let’s hope they don’t make that same mistake again.