Bargain is a relative term, especially in the NBA’s new salary cap era.

When Robin Lopez signed a four-year, $54 million deal with the New York Knicks in 2015, many considered it a tad too high for a rim-protecting center with clear offensive limitations, but imagine that salary ballooned by 34 percent this summer, the same way the cap will skyrocket from $70 million to $94 million on July 1. That’s an $18 million annual commitment to Lopez through 2020.

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Now, consider that cap could exceed $110 million in 2017-18 — a 57 percent increase in the span of two years — and suddenly the final two seasons of Lopez’s deal at an average annual rate of $14 million seems like a bargain, especially since inflation would push his 2015 deal to four years and $85 million. All of which is why the Chicago Bulls sought Lopez as the centerpiece of their trade of Derrick Rose.

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Come Friday, general managers will not only offer contracts based on the $24 million salary cap increase this year, but also take into consideration another $16 million increase (or more) in 2017. So, what might seem like a tad too high this summer could actually be a bargain moving forward.

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We tried to find a couple handfuls of those in compiling our 2016 NBA Free Agency All-Bargain Teams.

FIRST TEAM

C: Ian Mahinmi

Mahinmi will be a nice barometer of this Lopez theory. At 29 years old, he’s slightly older than Robin, although Mahinmi has 5,000 fewer NBA minutes on his 6-foot-11 frame. Averaging 13.1 points, 10.1 rebounds, 2.1 assists, 1.5 blocks and 1.3 steals per 36 minutes, his numbers are nearly identical to Lopez, and Mahinmi anchored a defense that ranked among the league’s best with him on the floor.

And I don’t anticipate Mahinmi even approaching the $13.5 million annual salary Lopez received last year, so the team that lands him for something like four years and $32 million will be acquiring value.

F: Marvin Williams

Beware the veteran who submits a career year in a contract season, which is precisely what Williams did as an invaluable member of the Charlotte Hornets’ success in 2015-16. But it really does seem as though the 30-year-old finally found his niche as a small-ball four in Charlotte. He played the vast majority of his time at power forward this past season, shooting 40 percent from 3-point range for the first time in his career and rebounding at his highest clip during 11 seasons in the league.

How much that production has to do with playing in space opposite less athletic forwards versus increased effort in a contract year is the question suitors will have to ask this summer. If it’s the latter, as I suspect, then three years and $45 million for the former No. 2 pick doesn’t seem so outrageous.

F: Mirza Teletovic

Speaking of small-ball fours, Teletovic is 6-foot-9 and shot 39 percent on 460 attempts from 3-point range for the Phoenix Suns this past season. That alone is worth millions on the open market. The biggest question is Teletovic’s age at 30 years old, but he has 18,000 fewer NBA minutes than the aforementioned Williams and should cost significantly less than the Hornets forward this summer.

Teletovic accepted a one-year, $5.5 million deal from Phoenix, in hopes of cashing in this summer, so what exactly is cashing in for the Bosnian? Double his current salary and triple the years? As startling as it may sound, even that may be a bargain for a forward who averaged 20 points per 36 minutes.

G: Allen Crabbe

The 24-year-old has become the go-to guy when people ask, “Who could be the backup who breaks out in a more starring role next season?” And that’s a dangerous game. Because it’s usually not the guy everyone assumes it will be. And what are the chances Crabbe was in the same 2013-14 backcourt as two other guys who lived up to that breakout billing this past year: C.J. McCollum and Will Barton?

Or maybe the Portland Trailblazers are just really good at identifying talented guards, and Crabbe will ultimately be worthy of the double-digit millions it will take to pry him away in restricted free agency.

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