The 20 biggest tech advancements in sports history

1) The Shot Clock-Year Introduced: 1954, Sport: Basketball
2) Titanium Golf Clubs- Year Introduced: 1990,Sport: Golf
3) In-Helmet Headsets- Year Introduced: 1994, Sport: Football
4) Composite Tennis Racquets- Year Introduced: 1980, Sport: Tennis
5) Lighter, Flatter Track Shoes- Year Introduced: 1950s, Sport: Track and field
6) Goal-Line Technology- Year Introduced: 1993, Sport: Hockey, Soccer
7) LZR Swimsuits- Year Introduced: 2008, Sport: Swimming
8) Tommy John Surgery- Year Introduced: 1974 Sport: Baseball,
9) KERS- Year Introduced: 2009, Sport: F1 Racing
10) Derailleurs- Year Introduced: 1937, Sport: Cycling
11) Breakaway Rims- Year Introduced: 1978 Sport: Basketball,
12) The Golf Ball- Year Introduced: Early 1900s, Sport: Golf
13) Hockey Helmets- Year Introduced: 1979, Sport: Hockey
14) Instant Replay- Year Introduced: 1986, Sport: Football, Basketball, Hockey
15 Carbon Fiber Skis and Snowboards- Year Introduced: 1990, Sport: Skiing, Snowboarding
16) Regenokine- Year Introduced: 2003, Sport: Baseball, Basketball, Hockey, Football, Golf, Tennis
17) HANS Device Year Introduced: 1996, Sport: NASCAR, NHRA, F1 Racing
18) Concussion Helmets- Year Introduced: 2012, Sport: Baseball
19) Hawk-Eye and Cyclops Machines- Year Introduced: 2006, Sport: Tennis.
20) Steroids-Year Introduced: 1930s- Sport: Baseball, Football, Track and Field, Basketball, Hockey, Cycling.