Motorsports Monday: NASCAR wants drivers to stop fighting each other after races

AP/Matthew BishopJeff Gordon v. Brad Keselowski in Texas.

Here's everything you need to know about the wonderful world of motorsports this week.

NASCAR wants to put an end to post-race fist fights. After a spate of high-profile ,post-race fisticuffs, NASCAR is implementing new rules to prevent them taking place.

A new rule will limits the number of crew member allowed on pit lane to greet the race cars at the end of the race to just two per team, according to USA Today.

The new rule comes on the heels of last November's dramatic melee between NASCAR champions Jeff Gordon and Brad Keselowski.

AP/Greg McWilliamsJimmy Johnson does a celebratory burnout.

Jimmy Johnson takes the checkered flag in Atlanta. Five-time NASCAR Sprint Cup chamption Jimmy Johnson took home his first victory of the young season at last weekend's Fold of Honor QuikTrip 500. Johnson held off defending series champ Kevin Harvick and Dale Earnhardt Jr to earn the 71st victory of his illustrious career, Fox Sports reported. Pole-sitter and last week's Daytona 500 winner Joey Logano finished 4th.

AP/Manu FernandezNico Rosberg's Mercedes-AMG F1 car.

Mercedes-AMG remains at the top of the time charts at the end of pre-season testing in Barcelona. Mercedes-AMG drivers Nico Rosberg and Lewis Hamilton finished preseason testing at the top of the charts with the fastest average lap times around the track in Jerez, Spain. In preparation for this month's season opener in Melbourne, Australia, the defending champions completed 378 laps during the 12 day test.

Meanwhile, McLaren has struggled to integrate its new chassis with the team's new Honda engines. Its drivers finished the test in 15th and 16th position (out of 18) and managed to complete just 177 laps, the fewest of the 9 teams who participated.

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