Tim Heitman-USA TODAY Sports

Competition among brothers is often extremely competitive and Luke McCaffrey, the brother of San Francisco 49ers star Christian, has no doubt been in friendly competition with his NFL brother.

With Christian becoming a star on the 49ers as a genuine dual-threat running back, he undoubtedly has the bragging rights...but Luke has just gotten one back.

Luke, a receiver for Rice is taking part in the Scouting Combine in Indianapolis in the hope that he can join his brother in the NFL. Part of the testing is the famous 40-yard dash and we know how quick Christian is once he gets up a head of steam...well, Luke is faster.

In doing the 40-yard dash, NFL Network overlayed Luke's 40-yard dash with Christian's from 2017 and the younger brother as it turns out, is quicker...barely.

Luke ran a cool 4.47 for his 40-yard dash, narrowly beating out Christian who ran a 4.48.

For Luke, he had a superb season for Rice as he totaled 992 receiving yards and 13 touchdowns on 71 receptions. He also rushed for 117 yards on 15 attempts as like his big brother, he appears to be a dual-threat player on offense.

So while Christian has had bragging rights due to the fact that he has been in the NFL for years, Luke is quickly catching up to his big brother, and depending on where he gets drafted, the two could meet in the NFL next season.

While it is only a small win, anyone who has an older brother knows you take whatever win you can, and for Luke, he is the fastest out of the McCaffrey brothers.

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