This Week in U.S. Sports: Khalil Mack extends holdout, Williams sisters set to face off

Khalil Mack's holdout shows no sign of coming to an end and the Oakland Raiders star's absence has dominated the headlines stateside.
Khalil Mack's holdout shows no sign of coming to an end and the Oakland Raiders star's absence has dominated the headlines stateside.

It's the calm before the storm. 

The American football season is just around the corner and teams are starting to either get very excited or extremely nervous about their personnel. One AFC West franchise have a true conundrum on their hands as they wait for their dude to arrive.

Elsewhere around the U.S. sports spectrum, two sisters meet once again, an NBA star expands his horizons, a champion flexes his muscles, and the eyes of the country are upon college football.

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Here's a recap of the past seven days around the American sports landscape.

1. Khalil Mack extends holdout

The 2016 NFL Defensive Player of the Year still hasn't shown up to the Oakland Raiders facilities as he continues to hold out for a better contract. Khalil Mack is in the final year of his rookie deal and scheduled to make $13.8million this season.

But he is searching for much, much more and he is willing to be fined to get it. Mack was reportedly fined $814,000 for simply not showing up at camp before Oakland's first preseason game.

He clearly knows what he wants and will be patient to get it, but while he waits, other teams are looking into acquiring the man who has 40.5 sacks in 64 career games. Four teams are supposedly looking to pick him up, but the Raiders are being wishy washy with his market.

NFL Network reported Oakland are looking for two first-round picks in return for the 2014 first-round pick, but at the same time have no interest in dealing him.

The Raiders are in a tough spot as they don't want to deal Mack, but they have to do something otherwise they could lose him entirely in free agency for nothing next year. This could be a story that takes a while.

2. Williams sisters set for another matchup

There may be no more iconic sibling duo in all of sports than Serena and Venus Williams. 

The two sisters have combined to win 30 grand slam titles, and 14 together as doubles partners. 

This week, they will match up again, this time at the U.S. Open. They will face off for the 30th time in competition in New York on Friday.

Former world number one and 23-time major winner Serena leads 17-12 in the head-to-head meetings.

3. LeBron James' "The Shop" premieres on HBO

LeBron James is more than an athlete, he's an entrepreneur, activist, and father. He drove that point home on Tuesday as his new show "The Shop" premiered on HBO. 

In the show, Los Angeles Lakers superstar James spoke about many topics with athletes from across the spectrum including Odell Beckham Jr. of the New York Giants, Draymond Green of the Golden State Warriors and Candace Parker of the Los Angeles Sparks. 

This show has been in the works for a while and simply adds to an already impressive resume of James, who also helped fund a school for underprivileged students in Ohio this year. He has also spent time in acting as he took on a role in Amy Schumer's comedy "Trainwreck."

4. Astros back on top in American League West

Reigning MLB World Series champions the Houston Astros have kind of flown under the radar in recent weeks as they fell into a tie with the Oakland Athletics for first place in the American League West. 

But the Astros got Jose Altuve and George Springer back from injury this week allowing manager A.J. Hinch to put together a line-up featuring Springer, Carlos Correa and Altuve for the first time since June.

What resulted was a series win over the Athletics mid-week and Oakland's first series loss since July. Tyler White's walk-off home run sealed a 5-4 victory and the series win on Wednesday.

Houston now have a two-and-a-half game lead over the A's in the AL West as they head into a matchup with the Los Angeles Angels this weekend.

Oakland will face off with the Seattle Mariners in a three-game series between the teams in second and third in the AL wildcard race.

5. Buildup to College Football

The college football season officially started last week when North Carolina A&T faced off with Jacksonville State, but the true grind starts on Thursday when the University of Central Florida take on Connecticut.

Even better though, the weekend will feature top-15 matchups between number six Washington and number nine Auburn and number 14 Michigan and number 12 Notre Dame.

There is no rest for anyone this season in their non-conference schedule as every Power 5 team will try to make a statement win before getting to conference play. The two games above are perfect opportunities for that and No. 8 Miami will attempt to do the same when they faces off with SEC stalwart number 25 LSU.

There's no turning back after this weekend, college football will be in full swing and there will be no stopping it.

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