With apologies to Dallas Keuchel, Max Scherzer and Gerrit Cole, this may be the most impressive pitcher we've seen this year.

Tom Willis, an inspirational speaker who was born without arms and tours the country, fired the first pitch on Monday night before the San Francisco Giants-Seattle Mariners game.

Pretty amazing, right? Get another look at Willis in action:

Willis has shown off his abilities on the diamond before -- he threw the first pitch at games for the Padres, Orioles, Royals and Reds.

You can check out some of his other efforts and learn more about Willis below.

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