Davis Riley showed remarkable sportsmanship in the second round of the CJ Cup Byron Nelson 2025. The tournament's second round play was halted on Friday, May 2 due to lightning. Play resumed on Saturday, May 3 at 8:15 ET, and something unusual happened on hole 17 as Riley self-reported a foul that he had committed on the hole.The 28-year-old was performing well in the tournament up until this hole, and was at five strokes under par. He self-reported the use of the distance-measuring device's slope feature. This resulted in a hefty penalty of two shots. He managed to end the round with an eagle on the ninth, taking him to 5-under for the event.The PGA Tour reported the incident on X."On No. 17, Davis Riley self-reported a two-stroke penalty for using the distance-measuring device slope feature. Before the penalty, he sat inside the projected cut line at 5-under. He is now one shot outside the projected cut line with 7 holes to play."When it comes to distance-measuring devices, it is a technology that considers slope function, elevation differences between your ball and the target. In summary, it provides players with modified yardage, which usually helps them a lot during the game.How has Davis Riley performed thus far in the 2025 season?Davis Riley at The Masters - Round Three - Source: GettySo far this year, Davis Riley has played some decent golf. He's missed the cut in a few events but performed admirably in others. He is still searching for his first win this year, and here's a summary of his performance this season so far:Jan 16–19 – The American Express (Pete Dye Stadium Course)Missed Cut: 80-75-65 (220, +4)Jan 22–25 – Farmers Insurance Open (Torrey Pines, South Course)Missed Cut: 75-73 (148, +4)Feb 6–9 – WM Phoenix Open (TPC Scottsdale, Stadium Course)Missed Cut: 74-73 (147, +5)Feb 20–23 – Mexico Open at VidantaWorld (Vidanta Vallarta)Missed Cut: 68-73 (141, -1)Feb 27–Mar 2 – Cognizant Classic in The Palm Beaches (PGA National, The Champion)T48: 64-71-75-67 (277, -7) – $23,805Mar 6–9 – Puerto Rico Open (Grand Reserve Country Club)T6: 64-66-72-68 (270, -18) – $142,250Mar 13–17 – THE PLAYERS Championship (TPC Sawgrass)T38: 74-66-73-74 (287, -1) – $111,250Mar 20–23 – Valspar Championship (Innisbrook, Copperhead Course)7th: 69-70-69-69 (277, -7) – $293,625Mar 27–30 – Texas Children’s Houston Open (Memorial Park Golf Course)T52: 68-69-70-68 (275, -5) – $22,301Apr 10–13 – Masters Tournament (Augusta National)T21: 73-69-75-69 (286, -2) – $210,000Apr 24–27 – Zurich Classic of New Orleans (TPC Louisiana)T32: 63-70-67-72 (272, -16) – $19,228.00